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psu

@0xpsupsu

3,223
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core eng @Sei_Labs prev @databricks , @twitter

Da Trenches
Joined February 2015
Don't wanna be here? Send us removal request.
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@0xpsupsu
psu
3 days
“The core value prop of Sei is its people not the tech” Or something like that. - @ChadHugghins
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@0xpsupsu
psu
2 years
🚀🚀🚀 The @Sei_Labs squad has been crushing challenges & fine-tuning our system to ensure that we have the best infrastructure for exchanges. Here's a sneak peek into some recent enhancements👇
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@0xpsupsu
psu
10 months
kamehameha lfg
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@0xpsupsu
psu
2 years
You know crypto is coming when you’re at dinner and you hear someone explaining the Wormhole hack
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@0xpsupsu
psu
2 years
The @SeiNetwork eng team is 🔥. They're the A-team in Web3. Within just the last 5 weeks they've:
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@0xpsupsu
psu
1 year
Maybe for some chains, but there are also many PoS chains that slash all delegated stake when a validator is slashed ( @SeiNetwork is an example) 🔐
@nickwh8te
Nick White 🦣
2 years
TL;DR, when you slash a validator they don't lose their delegated stake, only their self-stake which is often much smaller. So a rational validator will misbehave for a much smaller reward than the total stake, which makes economic security lower in practice.
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@0xpsupsu
psu
11 months
Let's talk about parallelization, specifically Optimistic Parallelization. This is a fundamental concept initially created in database management that dates all the way back to 1979 🤯
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@0xpsupsu
psu
11 months
Why is SeiDB so important? SeiDB separates state store (historical data) from state commitment (new data). But why is this important? It all comes down to optimizing for different use cases: historical vs. validating blocks
@SeiNetwork
Sei 🔴💨
11 months
Sei v2: Parallelizing the Ethereum Execution Environment Sei v2 is poised to become the first parallelized EVM blockchain. This major proposed update from Sei Labs aims to deploy a backward compatible Ethereum execution environment integrated into Sei’s core binary, inheriting
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@0xpsupsu
psu
2 years
🫡
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@0xpsupsu
psu
11 months
to clear things up, the core @SeiNetwork chain has been operating as expected with validators signing blocks as usual (sei gud). Blocks continue to be produced at about 400ms. there's been some issues with RPC providers unable to keep up with the latest block leading to some
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@0xpsupsu
psu
6 years
Thanks Twitter, I’ll always cherish the people I’ve met and experiences I’ve had. I seriously couldn’t have asked for a better start to my career #LoveWhereYouWork
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@0xpsupsu
psu
1 year
With 300ms block times, Sei is officially faster than: 1. The average time to load a webpage 2. A Major League fastball reaching the plate 3. The time it takes for pain signal to reach the brain 4. The time it takes a raindrop to fall to the ground ⚡️⚡️⚡️
@SeiNetwork
Sei 🔴💨
1 year
Feeling cute, reduced block times by 40% 🥰 Sei engineers have revved up p50 block times from best in class 410ms to an even more best in class 250ms 🔑
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@0xpsupsu
psu
2 years
After helping launch @SeiNetwork 's incentivized testnet, I've learned a lot that I wanted to share, especially to those coming to web3.0 from web2.0. I haven't even scratched the surface of this space, but I've gotten a small taste of what "decentralization" truly means.
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@0xpsupsu
psu
10 months
i'm perpetually humbled by how hard this team works. it's the holidays and we're grinding harder than ever. love this energy 🔴💨
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@0xpsupsu
psu
10 months
@0x_Umeshu I wouldn’t say an rpc with 100K transactions means that the underlying infrastructure has been “pushed to its limits”. Rpc providers (especially public ones) are always going to be hammered. How are validators doing? How long are begin / end block times taking? How long is
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@0xpsupsu
psu
11 months
Fock it
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@0xpsupsu
psu
5 years
Hello darkness my old friend
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@0xpsupsu
psu
10 months
imo time-to-finality is more important than block time. From a UX perspective, even if you have 100ms blocks but require 10 blocks of confirmation (a time-to-finality of 1s), users are still waiting 1s for their transactions to complete I would take a chain with 390 ms block
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@0xpsupsu
psu
9 months
sei ecosystem shipping features
@historyinmemes
Historic Vids
9 months
Olympic level accuracy
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@0xpsupsu
psu
9 months
incredibly proud of the team for hitting this milestone. we're just getting started - our approach has always been: - build in the open - get user feedback early - iterate 🔁
@Blockworks_
Blockworks
9 months
Sei’s parallelized EVM is now in public devnet, and it hopes to go to mainnet in the first half of 2024
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@0xpsupsu
psu
10 months
been seeing a lot lately that there are people out there who think you’ll need 2TB or even 256GB of RAM to run a sei node / validator. Definitely not true and not going to be true one crucial reason is mmaped-io. If you’re interested, look into how mmap and lazy loading works.
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@0xpsupsu
psu
2 years
No thanks, I'd like to book a $200 / night airbnb to only find out at checkout that it includes a $900 cleaning fee, $300 service fee and a $400 just because fee
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@0xpsupsu
psu
2 years
What a time to be alive
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@iamixas
MIXAS🥷⚔️
2 years
🎄BIGGEST @SeiNetwork COMMUNITY EVENT RIGHT NOW ⤵️ 🔥 • A great opportunity to celebrate with #Sei • Have a great time • Win VERY cool rewards 👀 #seilors #seinami #seiyes #seilorgang #IBCseilors #cosmos #DeFi #blockchain #DisruptDeFi #SeiNoToCEX
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@0xpsupsu
psu
10 months
ibc between @SeiNetwork and @osmosiszone has not been working reliably for the last 2 days. upon further investigation, it looked like there were 2 main issues: 1. gas increase on Osmosis (maybe due to inscriptions) 2. a schema change on Osmosis that led to serde errors things
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@0xpsupsu
psu
10 months
parallelized evm will exist because users and developers need to be able to build on and use fast, cheap infrastructure sei is the wei
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@0xpsupsu
psu
9 months
last few weeks have been insanely intense, but i''ve never felt more bullish about any team @stevenlanders @zang_yiming @jeremytwei @udpatil314 @KartikB101 @TonyChenSF
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@0xpsupsu
psu
10 months
I disagree with the idea that $.04 gas is cheap enough. When you have a performant blockchain you’re no longer building for the occasional defi user who manually approves wallet pop ups. You’re now build for large scale systems and serve as a decentralized database. You’re now
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@0xpsupsu
psu
10 months
@larry0x In our experiments, sqlite had significantly worse performance than rocksdb, leveldb and pebbledb. Rocksdb had the best performance, but the convenience of being able to write sql queries is nice. If querying historical data is not on critical path then a query server
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@0xpsupsu
psu
11 months
The @Sei_Labs team can SHIP 🔥
@SeiNetwork
Sei 🔴💨
11 months
Sei v2: Parallelizing the Ethereum Execution Environment Sei v2 is poised to become the first parallelized EVM blockchain. This major proposed update from Sei Labs aims to deploy a backward compatible Ethereum execution environment integrated into Sei’s core binary, inheriting
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@0xpsupsu
psu
11 months
Make the fastest blockchain faster:
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@0xpsupsu
psu
10 months
these are the same guys who saw evm bank transfers for the first time at Sei v2 warroom and deployed an evm app 24 hours later. @madjarevicn ships 🚢
@madjarevicn
Nikola M.
10 months
Who says that SEI testnet doesn't have block explorer? 🔴🌪️🌬️
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@0xpsupsu
psu
9 months
sei more
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@0xpsupsu
psu
10 months
In 2023 we really went from - Jan 2023: tackling nondeterminism issues daily on internal testnet - Aug 2023: launched SeiV1 mainnet - Nov 2023: announced SeiV2 - Dec 2023: SeiV2 private testnet live, EVM apps deployed Thank you for the best developers, users and community
@jayendra_jog
Jay
10 months
Reflections on 2023: 1) Moving fast and reacting quickly to user feedback continues to be critical, especially in crypto. Shipping and iterating is better than trying to launch something perfect from day one. 2) Real community is key. Sei has had a Cambrian explosion of
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@0xpsupsu
psu
10 months
did a ton of load testing & benchmarking to get here. will be doing a bunch more for sei v2
@beaniemaxi
Beanie
10 months
I’ve been posting alot about Sei because it’s the first new tech that has got me very excited in the past couple years. Important distinction to appreciate is that the Sei ecosystem is being bombarded with traffic and can’t stay up. Sei chain hasn’t even hiccuped throughout this.
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@0xpsupsu
psu
2 years
Time to be extra nice to my Dutch GF
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@0xpsupsu
psu
10 months
Crypto tribalism is so stupid. This isn’t a 0 sum game. People who don’t think so are missing the bigger picture - new tech benefits everyone like how electricity, the internet and smartphones have changed the world
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@0xpsupsu
psu
10 months
incredibly proud of @SeiNetwork - making impact in the real world is why we're all in this 🇯🇵🗾
@phillip_xyz
Phillip
10 months
Our hearts go out to everyone impacted by the Noto Peninsula earthquake in Japan. 🙏 In these trying times, Sei is teaming up with @hashpalette to provide essential assistance to the affected regions. Stay tuned for more updates on how we can collectively make a meaningful
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@0xpsupsu
psu
10 months
having your system scale with hardware is so underrated (parallelization, sharding...etc). piggybacking on moore's law gives you free exponential growth
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@0xpsupsu
psu
2 years
Another 25K on the 25th 🎁
@SeiNetwork
Sei 🔴💨
2 years
Merry Christmas to all Seilors! As a special Christmas 🎁, we have one FINAL day of 25k Sei Dusk NFTs available to be minted this Christmas day 🎄 Make sure to have a Dusk NFT in your Sei stocking (wallet) this Holiday season 💃 May 🎅 be good to you and and happy collecting!
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@0xpsupsu
psu
11 months
Oct 2022: Sei integrates cosmos & tendermint optimizations Aug 2023: Mainnet launch Nov 2023: Seiv2 Launches (optimistic parallelization, SeiDB and EVM) Dec 2023: @gamblino_app deploys an app e2e on private testnet If you didn't know already this team
@jayendra_jog
Jay
11 months
Fun fact - @Sei_Labs ' first foray into supporting a parallelized EVM started in Aug of 2022 Building the first parallelized EVM is hard, and I'm proud of what we've built so far Thanks to all the seilors that have been part of this journey, things are just getting started 🔴 💨
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@0xpsupsu
psu
10 months
Pretty soon parallelization is going to be standard on every chain just like how all computers have multithreading now
@AustinBarack
Austin Barack
10 months
$SEI feels a lot like $SOL in 2020. Awesome tech but not a lot built on it yet. Only difference is it's achieving price discovery a lot faster because of the similarities in design to Solana (notably parallelization)
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@0xpsupsu
psu
11 months
Sei v2 war room in the books. Vibes could not be more impeccable 👌
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@0xpsupsu
psu
10 months
Yes we perform low level benchmarking to figure out bottlenecks Yes parallelization is one thing we've been working on to improve perf Yes there are other bottlenecks besides execution Yes state access improvements like this are part of SeiV2 and going to significantly improve
@jayendra_jog
Jay
10 months
Folks are spreading fake news that Sei v2 only addresses one thing, "parallelizing the execution environment" in isolation. This is completely false. The Sei v2 proposal addresses every part of the stack, including state access, state commitment, and state storage. This is vital
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@0xpsupsu
psu
9 months
just a couple of evm txs confirmed with 1/3 of a second
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@0xpsupsu
psu
6 years
Hi Twitter meet Nala
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@0xpsupsu
psu
9 months
python3 scripts/run-node.py
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@0xpsupsu
psu
10 months
The great things here is that we’re really trying to make things as smooth as possible for devs: - EVM compatibility: allow EVM developers to seamlessly port their apps over with no code change - Optimistic Parallelization: removes the need to manually define tx dependencies -
@_osten
Osten
10 months
Read between the lines: • EVM compatibility --> More builders. • Optimistic Parallelization --> More builders. • SeiDB --> More builders. @SeiNetwork is providing better infrastructure for people to create without limits.
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@0xpsupsu
psu
11 months
The proof is in the 🍮 so I'll dive into some results
@0xpsupsu
psu
11 months
Let's talk about parallelization, specifically Optimistic Parallelization. This is a fundamental concept initially created in database management that dates all the way back to 1979 🤯
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@0xpsupsu
psu
10 months
so many opportunities to bring tried and true innovations in traditional distributed systems into blockchain technology including - concurrency for increased throughput - caching for lower latency - sharding for horizontal scalability and many others. we’re still early
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@0xpsupsu
psu
9 months
the amount of traction and quality of tooling in the evm developer space is insane. never have i had more conviction about the parallelized EVM
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@0xpsupsu
psu
10 months
always a good day when you rewrite your load testing infra and realize that tuning a small param in the client code led to 10-20x improvements side note - crazy how cheap goroutines are
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@0xpsupsu
psu
10 months
"test in prod" needs to go away. we wouldn't caught 2-3 p0 bugs in the last 3 months if we hadn't followed staged rollout best practices (dev -> staging -> prod) we've invested heavily in building out testing infra to build as close as an identical replica of mainnet. if
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@0xpsupsu
psu
10 months
don’t underestimate the impact of moving from access-list based parallelization (SeiV1) to optimistic parallelization (SeiV2) not only does it improve performance by removing DAG creation, but (maybe more importantly) improves developer experience by removing the need to define
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@0xpsupsu
psu
11 months
Build - - > Deploy ^ | | | | v Iterate < - - User feedback
@jayendra_jog
Jay
11 months
@gakonst Too many teams focused on premature optimizations for their tech and not enough teams focused on shipping and iterating quickly to get user adoption
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@0xpsupsu
psu
10 months
This is how we ship quickly, not by taking shortcuts. Strong focus and ruthless prioritization
@jayendra_jog
Jay
10 months
Focus and prioritization are key Avoid premature optimizations at all costs
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@0xpsupsu
psu
9 months
when your hype guy is hyped. you should be hyped. simple.
@phillip_xyz
Phillip
9 months
wen your dev is hyped. you should be hyped. simple.
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@0xpsupsu
psu
10 months
Keeping the hiring bar high is incredibly difficult. There’s so much work sometimes you want to just hire more folks for the (wo)man power. But we would really lose our underdog mentality and scrappy dna if we did that
@jayendra_jog
Jay
10 months
Sei has always been an underdog. And that's an advantage. It doesn't matter how much money competitors have raised, or how big their team is, or how established they are. All that matters is how well you execute. And one thing that Sei has proven is that we can ship.
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@0xpsupsu
psu
10 months
- @SeiNetwork is inevitable
@oracles
Andre (ber) 🔮
10 months
- @SeiNetwork is inevitable.
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@0xpsupsu
psu
10 months
Couldn’t disagree more. Txs aren’t cheap enough. If your goal is to bring crypto to the masses I can’t imagine many use cases in which high gas fees just to persist data makes sense. We need to build our way to cheaper and faster block space, not charge more for it
@jcdmacleod
John Macleod
10 months
@gadikian The cost of txs in the ecosystem is way too cheap. I don’t know why we needed to go from $40 (tradfi) to hundredths of a penny? To me, and I know I will get shot for saying this, ETH gas prices makes way more sense to me. Cost is an attack vector. Could you DDoS SWIFT, SEPA,
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@0xpsupsu
psu
9 months
When your hype guy is hyped that your dev is hyped that the hype guy is hyped that the devs are hyped, you should be hyped.
@GroverGPT
Grover GPT
9 months
When your dev is hyped that the hype guy is hyped that the devs are hyped, you should be hyped.
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@0xpsupsu
psu
6 years
I have a beautiful plant at my desk now 😌, thanks @jenny__lin #FeelingZen
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@0xpsupsu
psu
1 year
💪💨⚡️ @Sei_Labs killing it
@SeiNetwork
Sei 🔴💨
1 year
1/8 🧵 Sei Updates: Advancing at hypersonic speed, overcoming challenges. In building crypto's fastest blockchain to finality, every hurdle sparks innovation. We've improved state sync by 67%, greatly increasing its speed. Here's how Sei Labs achieved this👇 🚢
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@0xpsupsu
psu
10 months
devs are a priority. devex -> apps -> usage. just look at what @madjarevicn and team have done in 2 days - built an explorer and a faucet # of devs is a good KPI
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@0xpsupsu
psu
10 months
as an industry I think we’re too theoretical. not necessarily a bad thing for a new space, but unless I see open source code, benchmarks and demos I’m taking any claims with a grain of salt. Proof of EVM was a great example. Also think this demo of firedancer was awesome
@jayendra_jog
Jay
11 months
Proud moment The @gamblino_app team has deployed the first live EVM app on the Sei v2 internal devnet Could not be more excited for the continued progression
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@0xpsupsu
psu
10 months
lfg
@madjarevicn
Nikola M.
10 months
🚀 Introducing –your gateway to mastering the SEI ecosystem! Start your SEI journey today and join a community of innovators. 🔴💨
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@0xpsupsu
psu
9 months
my buddy was asking about @SeiNetwork today, so he opened a @coinbase account then tried sending / receiving some tokens "shit feels faster than venmo" also explained to him that it's decentralized
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@0xpsupsu
psu
6 years
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@0xpsupsu
psu
9 months
it's also becoming 5x cheaper
@phillip_xyz
Phillip
9 months
GAS ON ETH IS A PROBLEM. -> SEI SOLVES THAT.
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@0xpsupsu
psu
10 months
Narwhal seems to be the emerging mechanism to boost throughput but seems like most systems using it have to give up single slot finality as a trade off. This isn’t necessarily bad as Solana, Aptos don’t have instant finality
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@0xpsupsu
psu
11 months
Strongly agree - always better to build and release things incrementally than to do everything all at once
@jayendra_jog
Jay
11 months
Runtime parallelization - running multiple single-threaded txs in parallel on non conflicting state. Opcode-level parallelization - interleaving opcodes to get parallelization within a tx Lets say a single threaded tx takes 10ms. With runtime parallelization, you can run
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@0xpsupsu
psu
8 months
Building open source public goods is the way
@jayendra_jog
Jay
8 months
Sei's goal is to scale the EVM. In line with that mission, we're excited to announce the natural next step to Sei v2 - The Parallel Stack, an open source set of tools to help create high performance L2s
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@0xpsupsu
psu
10 months
You should be building in the open if you’re in this space otherwise it almost seems hypocritical. This is a new space that benefits when we share and exchange ideas. We’re here to rise the tide together. Open source > closed source
@jayendra_jog
Jay
10 months
Building in the open is the core essence of web3
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@0xpsupsu
psu
10 months
Find broken things, fix broken things. That is the @SeiNetwork way 🔁 iteration is key
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@0xpsupsu
psu
6 years
Gotta love friends who give you a random heads up of their birthday:
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@0xpsupsu
psu
6 years
👏Please 👏 write 👏 unit 👏 tests 👏
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@0xpsupsu
psu
8 months
sei less
@JustinBarlow
Justin Barlow
8 months
At this point, the Sei Parallel Brunch may be the most hyped event at ETH Denver. Waitlist is currently 10x oversubscribed with registrations accelerating each day as we get closer 👀. Probably nothing…
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@0xpsupsu
psu
11 months
💨 devs 💨 chain
@jayendra_jog
Jay
11 months
Proud moment The @gamblino_app team has deployed the first live EVM app on the Sei v2 internal devnet Could not be more excited for the continued progression
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@0xpsupsu
psu
10 months
agile / iterative development > waterfall better to iterate quickly and deploy than to build everything perfect in the beginning. Especially in a space like crypto where narratives, technology and use cases are constantly changing
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@0xpsupsu
psu
10 months
Sheesh 🥵
@dragonswap_dex
DragonSwap
10 months
New Branding, New Website, More Alpha Next Week 🐲🔴💨
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@0xpsupsu
psu
2 years
TLDR: Decentralization is hard. This can take lead to many challenges in coordination, communication and various technical issues. I've learned so much and I'm super stoked to continue my journey. See y'all in the cosmos ✌️ ⚛️
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@0xpsupsu
psu
2 years
We're thrilled to share our hard work🤩 If you're as passionate about these challenges as we are, DM me—we're hiring!💼👩‍💻🌟
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@0xpsupsu
psu
10 months
I'd be curious to see how other chains are addressing state bloat. seems like bnb chain hit issues with evm a while back because of state bloat, and we had hit issues with our testnet due to a lot of activity. SeiDB is our solution to these issues, based on @cosmossdk team's and
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@0xpsupsu
psu
2 years
Kudos to the resiliency of both the Tendermint tech and @SeiNetwork validators. Definitely thought it was lost at some point.
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@0xpsupsu
psu
11 months
who would've thought i'd be writing load tests for inscriptions? not me but incredibly important given that load testing is key to a resilient stable chain. it's no accident @SeiNetwork has one of the best uptimes out there
@0xhess
Hess
1 year
📊 Sei chain Performance Report in October: ✨ Success Rate: Once again, @SeiNetwork led with a 99.5% success rate in October, maintaining its performance from the previous month. Let's review some comparisons👇
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@0xpsupsu
psu
11 months
To put this in perspective that’s nearly half the block time (390ms)
@jayendra_jog
Jay
11 months
With optimistic parallelization, Sei v2 is *faster* than Sei v1 With Sei v1, a dependency graph needs to be generated, which is an expensive operation (can take 150ms!!) With Sei v2, the entire dependency graph generation step is removed, resulting in decreased execution time
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@0xpsupsu
psu
10 months
with the recent inscription spam, was curious if anyone has built any dynamic gas model backed by ML. would be cool to see the model trained on this type of traffic and the results of applying it
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@0xpsupsu
psu
11 months
In the Sei v2 Warroom we got our first EVM integration working E2E:
@jayendra_jog
Jay
11 months
Proud moment The @gamblino_app team has deployed the first live EVM app on the Sei v2 internal devnet Could not be more excited for the continued progression
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@0xpsupsu
psu
2 years
2/ Decentralization requires building a people network. I've gotten to work with people from all over the world including 🇺🇦, 🇹🇷, 🇷🇺 and 🇨🇳. This has been a truly eye-opening experience and an amazing opportunity to meet people with very different and interesting backgrounds.
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@0xpsupsu
psu
7 months
can't stress enough the importance of building in the public for the public
@realtombibiyan
Tom Bibiyan 🇺🇸
7 months
One of the reasons I cherish the @SeiNetwork the amount of gatekeeping I saw on $eth made me want to vomit
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@0xpsupsu
psu
2 years
4/ State sync overhaul🔄: Overcoming software bottlenecks with disk-to-disk snapshot functionality💽 .Snapshot files are sent directly over the wire rather than via IAVL nodes, cutting down the time to take a snapshot from 40+ minutes to a few seconds.
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@0xpsupsu
psu
8 months
I'll take working at a small startup over a large company any day. Been there, done that. The quality of talent and the amount of impact is incomparable
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@0xpsupsu
psu
7 years
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@0xpsupsu
psu
5 years
This is so freakin' awesome. I didn't have a CS degree and it was incredibly frustrating being turned down by companies time after time because I didn't have the right "label".
@XEng
Engineering
5 years
Starting today, we’re accepting applications for our first cohort of engineering apprentices! We know that great talent comes from all kinds of backgrounds, and we need to do a better job of creating and fostering a sustainable pipeline of diverse talent.
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@0xpsupsu
psu
11 months
the need for: 1. a roundabout way of minting tokens by inscribing data on cheap transactions 2. an centralized offchain indexer that dictates the state of the world tells me that blockchain technology needs to be faster and cheaper. we're just getting started 🔴💨
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@0xpsupsu
psu
9 months
building a strong team is oxymoronic: - on one hand, you want to keep the bar high and give everyone high impact critical work - on the other hand if everyone is working on high impact critical work and everyone is irreplaceable, you have terrible bus factor
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@0xpsupsu
psu
9 months
Got me in the first half
@SeiNetwork
Sei 🔴💨
9 months
PSA: Due to ongoing inscription-like transactions on Sei, users may experience some of the following: - No change in performance - No change in gas fees - Everything normal Sei Labs will continue to monitor the situation.
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@0xpsupsu
psu
10 months
I THINK the current issue is that osmosis gas fees can vary with their new dynamic gas change. However, most (if not all) ibc relaying tools only hardcode a gas value, meaning when the osmosis gas price goes above that value txs will start and continue failing into osmosis gas
@lowercaseboot
boot
10 months
Hey @osmosiszone and @sunnya97 Wondering if there is any official comment on the extreme delays on IBC transfers via Osmosis rn? We're out here trying to onboard people to Cosmos but 2-12 hour pending tx is not helping. Any official statement or are we back being eth maxis?
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@0xpsupsu
psu
9 months
a lot of tech races are like this - those that go to market fastest and can iterate and continuously improve their product / service end up winning
@dabit3
nader dabit
9 months
interesting that ~90% of blockchain developers build on the EVM if you consider that Solana is probably ~5% of the other 10%, you realize the dominance that this ecosystem has. reminds me a lot of JavaScript. is it the best? no. but it still manages to keep winning.
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@0xpsupsu
psu
7 years
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@0xpsupsu
psu
10 months
Sei la vie
@phillip_xyz
Phillip
10 months
Sei la vie
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