Ryan Sproule @sproule_ Twitter profile

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Ryan Sproule

1 year

The power of zk is in the palm of your hand! More so than ever, the unique properties of zk are available to developers of all levels via groundbreaking new tools. I put together a guide through these options that helps break down the key tradeoffs:

A Developer’s Guide to the zkGalaxy

www.blockchaincapital.com

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Last Seen Profiles

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Ryan Sproule

@sproule_

5 months

if you look close at @zksync L1 commitment fees you can see when dencun went live

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Ryan Sproule

@sproule_

2 years

@shiv2268 This became way too real

Ryan Sproule

@sproule_

2 years

BREAKING: FTX scrambling to liquidate advertising positions mid-game at the chase center.

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Ryan Sproule

@sproule_

2 years

I have been spending a lot of my time building on the Fuel ecosystem and although I have started seeing more folks discussing the project, the game-changing technical approach is yet underappreciated. I took some time to write out an explainer:

Exploring the FuelVM

Next generation, scalable, blockchain VMs are here

medium.com

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Ryan Sproule

@sproule_

1 year

MEV-proximity chat: every time someone gets sandwiched on a DEX, open a hot mic connection between them and the searcher for 10 seconds

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Ryan Sproule

@sproule_

9 years

Alumni hall got rowdy on Friday!! Best technical foul I've ever seen

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Ryan Sproule

@sproule_

2 years

BREAKING: FTX scrambling to liquidate advertising positions mid-game at the chase center.

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Ryan Sproule

@sproule_

5 months

Come for the pizza, stay for the views

Ryan Sproule

@sproule_

5 months

Attention NY web3 hackers, we are hosting a builder meetup at our new office in NYC on Sunday. Goal is to brainstorm/hack on some creative new apps on top of the modern blockchain tech stack. Weird experiments highly encouraged!

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Ryan Sproule

@sproule_

9 years

What a year of AP calc... http://t.co/jMeXBMSiIt

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Ryan Sproule

@sproule_

1 year

My first reaction to @worldcoin was similar to many of the reactions I have seen from critics on Twitter: ahhh eyeball scanning dystopian Orwellian nightmare! BUT, the problem they were trying to solve was so huge that I could not help but at least dig in.

Blockchain Capital

@blockchaincap

1 year

1/ We've led the $115M round of @worldcoin ! Founders @alexblania and @sama are the perfect duo to scale a privacy-preserving identity protocol for the internet More on our thesis and addressing the misconceptions below. ↓

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Ryan Sproule

@sproule_

2 years

The FuelVM is a next-generation smart contract execution environment that optimizes for speed. Contracts are written in Sway, a new rust/solidity-inspired programming language. The BCAP team is building Swaymigo, a smart contract toolbox for Sway devs:

GitHub - BlockchainCap/swaymigo: A library for common smart contract patterns in Sway on the FuelVM.

A library for common smart contract patterns in Sway on the FuelVM. - GitHub - BlockchainCap/swaymigo: A library for common smart contract patterns in Sway on the FuelVM.

github.com

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Ryan Sproule

@sproule_

10 months

Soon all web2 cryptography/auth will become trustlessly interoperable with web3 via the glue of ZKPs

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Ryan Sproule

@sproule_

2 years

still losing that SEO battle

Kobi Gurkan

@kobigurk

3 years

sorry folks, Aztec Noir is the best smelling ZKP programming language

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Ryan Sproule

@sproule_

1 year

Introducing n-per-epoch, a simple Solidity function modifier that leverages @worldcoin 's WorldID or any Semaphore anonymity set to rate limit actions on-chain.

GitHub - rsproule/n-per-epoch: Simple contract modifier to add the ability to rate limit humans on...

Simple contract modifier to add the ability to rate limit humans on any smart contract function call. - rsproule/n-per-epoch

github.com

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Ryan Sproule

@sproule_

2 years

On-chain governance systems today are fully transparent at the cost of privacy. A better system could authenticate participants anonymously by verifying a zero-knowledge proof on-chain. I built a sample of such a protocol for any NFT collection.

GitHub - BlockchainCap/zk-vote: Privacy preserving governance mechanism using zero knowledge for...

Privacy preserving governance mechanism using zero knowledge for proof of merkle inclusion. - GitHub - BlockchainCap/zk-vote: Privacy preserving governance mechanism using zero knowledge for proof...

github.com

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Ryan Sproule

@sproule_

5 months

Attention NY web3 hackers, we are hosting a builder meetup at our new office in NYC on Sunday. Goal is to brainstorm/hack on some creative new apps on top of the modern blockchain tech stack. Weird experiments highly encouraged!

BCAP Builder Meetup · Luma

Join us for an afternoon of vibes, hacking, and pizza where we’ll be exploring your weirdest application ideas! Historically, crypto UX has been cumbersome and…

lu.ma

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Ryan Sproule

@sproule_

2 years

The story of how I was able to rescue $1,049,947 of the Nomad Bridge funds…

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Ryan Sproule

@sproule_

1 year

let them eth stake

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Ryan Sproule

@sproule_

9 months

Introducing my 2023 halloween costume: the human jumbotron. This apparatus displays my face (and a few other modes) to 4 external sides of the cube. Check out the video to see it in action happy halloween to all those who overdo things

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Ryan Sproule

@sproule_

9 years

A ferocious chop from @JMurray_4 http://t.co/9XWw9RFmRa

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Ryan Sproule

@sproule_

1 year

Stoked (or should i say starked) to announce that we led @RiscZero 's $40m series A! Has been a blast to work alongside this team and have never been more excited about the future of verifiable compute. Check out some of the ideas I have been experimenting with below 🧵

Blockchain Capital

@blockchaincap

1 year

We’ve led the $40M Series A round of @RiscZero ! R0 is democratizing zero-knowledge computing through novel cryptographic tools. More on our thesis. ↓

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Ryan Sproule

@sproule_

1 year

Enjoyed the discussion about the nuances between various account abstraction approaches with @tarunchitra @wjvill @gluk64 @camiinthisthang at layer 2 day It’s all DoS. Always has been.

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Ryan Sproule

@sproule_

12 years

Crammin' http://t.co/LAXR7q9p

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Ryan Sproule

@sproule_

1 year

Unleash that innovation, anon. What will be the first thing you build on @eigenlayer ? Stoked to be working with @eigenlayer and @sreeramkannan et al.

Blockchain Capital

@blockchaincap

1 year

We've led the $50M Series A financing of @eigenlayer ! Founder @sreeramkannan is a technical visionary who's revolutionizing our ecosystem. More on our thesis. ↓

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Ryan Sproule

@sproule_

9 years

Waited 4 years for this. Thank you central catholic. WPIAL CHAMPS! http://t.co/LuV0TY7NYQ

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Ryan Sproule

@sproule_

1 year

“European diet is just so much better for you, bro” My daily diet: 3-5 croissants 6-10 espresso 1.5 kilos of cured meat 1 kilo cheese (3:2 ratio) All the shellfish found in a sea hectare stick of butter with sugar (brûlée-d) Olive oil (intravenously)

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Ryan Sproule

@sproule_

1 year

Sybil is already a problem. As the sophistication of automated agents increases and the scarcity of the resources on the web remains the same, this problem only becomes worse. So what are our options for solving sybil…

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Ryan Sproule

@sproule_

1 year

Excited to chat about the power of AA on L2s with these folks tm!

Fuel

@fuel_network

1 year

Tomorrow, join leading experts @tarunchitra @sproule_ @gluk64 @wjvill for a deep dive into account abstraction at Layer 2 Day

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Ryan Sproule

@sproule_

2 years

Node providers vary in speed across RPC methods depending on their network infrastructure and even the underlying node client software. I built this script to quickly compare the providers' performance on relevant methods to choose the best one for the job

GitHub - BlockchainCap/node-provider-benchmark: Template for benchmarking arbitrary RPC calls...

Template for benchmarking arbitrary RPC calls against multiple providers. - GitHub - BlockchainCap/node-provider-benchmark: Template for benchmarking arbitrary RPC calls against multiple providers.

github.com

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Ryan Sproule

@sproule_

1 year

It’s times like this that I’m glad I am forklift certified

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Ryan Sproule

@sproule_

11 years

Papa Sproule hanging with Ice Cube #what http://t.co/tU1LC8K8oo

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Ryan Sproule

@sproule_

5 months

We hosted our first Web3 builder meetup in our new NY office this weekend. Lots of interesting conversations around novel mechanism design, on-chain gaming, and zk-powered Web2 vampire attacks. Looking forward to hosting more events like this in the future!

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Ryan Sproule

@sproule_

10 months

@chadfowler im pointing at the pattern I have observed recently where trad web2 auth patterns (ie JWTs, WebAuthN, OAuth, DKIM) are getting support in smart contracts by proving the protocol off chain in zkVM or custom circuits then just verifying on chain. some projects: DKIM:

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Ryan Sproule

@sproule_

1 year

What's the biggest problem facing blockchains today? That's right... a way to send people physical mail. The dark ages are over, anon, the Ethereum Postal Service is here!

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Ryan Sproule

@sproule_

1 year

With the addition of continuations, the only limit to what you can compute in ZK is your imagination

RISC Zero 🟡

@RiscZero

1 year

RISC Zero now supports continuations!

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Ryan Sproule

@sproule_

10 years

Every central student's ass today http://t.co/s8YN6b9cSd

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Ryan Sproule

@sproule_

1 year

Biometrics are not used as an authentication mechanism. They are only used one-time during set entry for uniqueness. This means once you are in the WorldID set, none of your actions have any association with your biometrics anymore (thanks zk!).

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Ryan Sproule

@sproule_

1 year

have you considered sybilling harder, anon?? git gud

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Ryan Sproule

@sproule_

1 year

This is only scratching the surface of the many nuances of the @worldcoin + World ID protocol and I’m excited to discuss some of the concerns with the community as a converted skeptic myself!

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Ryan Sproule

@sproule_

5 months

@boredGenius @SuccinctLabs @RiscZero performance: its hard to compare these things apples to apples because most of the perf comes from accelerated "precompiles" built for a specific task (ie keccak accelerator). additionally, program size sometimes a way to game the metrics because certain systems are designed to

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Ryan Sproule

@sproule_

1 year

@divine_economy soon™️

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Ryan Sproule

@sproule_

1 year

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Ryan Sproule

@sproule_

4 months

RISC Zero 🟡

@RiscZero

4 months

The Future of Verifiable Computation is Coming Phase 1: Trusted Setup Ceremony The ceremony has progressed through 2 of 3 phases and is open to the community. 1⃣ Team ✔️ 2⃣ Partner ✔️ 3⃣ Community 🟢 Together, we'll enable a future where you can prove anything and verify

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Ryan Sproule

@sproule_

2 years

@0x_Osprey See: interchain messaging

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Ryan Sproule

@sproule_

2 years

Come work on cool stuff with me and the rest of the BCAP team. Great place for exposure to all the innovations happening in the crypto space while working directly with the teams making it happen! Also, a little on-chain puzzle in there... can you be the first to solve it?

Aleks Larsen

@_alekslarsen

2 years

We're hiring software engineers to work with @sproule_ and the rest of the BCAP research team! If you're excited about experimenting on the bleeding edges of crypto, this might be for you. Applicants who solve the puzzle at the bottom get priority 🫡

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Ryan Sproule

@sproule_

1 year

But if I need to use my iris for using apps or to access coins that must be bad, right? That could incentivize people to harvest my eyes!! Biometrics ≠ private keys

Remco ⚪️

@recmo

1 year

PSA: Biometrics ≠ private keys.

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Ryan Sproule

@sproule_

2 years

lil zk write up coming soon

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Ryan Sproule

@sproule_

1 year

our starfish is made of _blocks_ now guys... do you get it?

Blockchain Capital

@blockchaincap

1 year

1/ Unveiling our rebrand and introducing our new department: BCAP Build. We've been partners to crypto builders since 2013. Now, we’re doubling down on post-investment support. 🧵 ↓

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Ryan Sproule

@sproule_

2 years

I got a chance to sit down with @IAmNickDodson and @jadler0 from @fuellabs_ to talk about the upcoming roadmap and many of the interesting technical differentiators that separate Fuel from the crowd. Don't sleep on this team!

Fuel

@fuel_network

2 years

Listen to @IAmNickDodson and @jadler0 open up about Fuel's innovative design, roadmap, potential Fuel L3s, and more. Enjoy this conversation with @blockchaincap Some highlights 🧵👇

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Ryan Sproule

@sproule_

1 year

KYC? central government issued ID is both non-inclusive (many countries don't have digitally verifiable ID) and centralizing, now THAT sounds Orwellian.

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Ryan Sproule

@sproule_

1 year

@hdevalence Cargo.™ol

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Ryan Sproule

@sproule_

1 year

Anonymous gas sponsoring: smart contract with a pool of eth where spending rights are represented by private utxos. This allows users to provide a zk proof to the sponsor contract that doesn’t reveal which account they are, just that they own sufficient utxo to cover gas cost

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Ryan Sproule

@sproule_

1 year

Announcing funding on Twitter is to the tech bro what hard launching with a pic of your girl on Instagram is to people with lives

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Ryan Sproule

@sproule_

2 years

Wallet and dapp UXs of today are fundamentally limited by the authorization mechanisms of the underlying virtual machine. What account abstraction offers is a programmable way for them to construct their own custom authorization mechanisms.

Blockchain Capital

@blockchaincap

2 years

Account abstraction has seen increased attention in the EVM via ERC4337. However, @fuellabs_ VM was designed with AA. Fuel's predicates are the cleanest and most expressive version of in-protocol AA. Check out @sproule_ 's deep dive into the technicals.

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Ryan Sproule

@sproule_

1 year

Social graph? No social graph driven identity solution has the ability to both scale to the whole world and prevent bots from infiltrating it.

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Ryan Sproule

@sproule_

2 years

For example, Quicknode tends to outperform other providers on simple queries that are heavily driven by network latency i.e. eth_getBlockNumber().

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Ryan Sproule

@sproule_

4 months

i do hate waiting in lines. especially with bots.

tiago sada

@tiagosada

4 months

here's the cool part: as a permissionless network everyone on world chain can submit transactions, but verified humans will get prioritized blockspace verified addresses will also get an allowance of some free gas for casual transactions

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Ryan Sproule

@sproule_

1 year

Fingerprints or face-id? Both lack the entropy to differentiate after a few tens of million people.

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Ryan Sproule

@sproule_

1 year

Iris (this is different from a retina 😉): sufficient entropy, non-invasive, minimal information revealed. People reveal their iris every day by walking around with their eyes open, not a common .

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Ryan Sproule

@sproule_

1 year

Excited to see the cool stuff people are working on!

Eclipse (🐮,🌑)

@EclipseFND

1 year

Continuing our mentor drop, we'd like to welcome Brianna Montgomery of @EigenLayer and Ryan Sproule of @blockchaincap ! @zkBri leads strategy at EigenLayer and @sproule_ heads the engineering team at Blockchain Capital. Solar Eclipse Accelerator builders will be able to glean

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Ryan Sproule

@sproule_

1 year

Another week of networking with crypto folks

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Ryan Sproule

@sproule_

9 years

The kids chasing balls in the outfield reminds me of the lord of the flies. These kids crushing each other shows off true human nature

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Ryan Sproule

@sproule_

1 year

Biometrics are viable if there is a great enough source of entropy to avoid collisions at global scale AND these biometrics aren’t leaking dangerous information.

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Ryan Sproule

@sproule_

2 years

The espresso must flow

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Ryan Sproule

@sproule_

1 year

I woke up in a sweat after having a dream that one of my public repos had a .DS_STORE in it

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Ryan Sproule

@sproule_

2 years

It’s funny how we “aren’t supposed to look“ at literally the most interesting thing in our sky. I reject this solar ignorance philosophy. I’ve been looking at the sun everyday for months and I’ve noticed my hearing has improved dramatically

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Ryan Sproule

@sproule_

1 year

DNA: sufficient entropy, extremely invasive, unnecessarily reveals extra information (race, genetic disease, etc), problematic to reveal to even a very small group.

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Ryan Sproule

@sproule_

10 months

cortisol can jump up to 9x from acute stress response events (like a jump scare). The average baseline cortisol levels at mid day are around 15 mcg/L in humans. When this national alert went off on all our phones, the 331 million Americans released a total 200 billion micrograms

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Ryan Sproule

@sproule_

9 years

A bold fashion statement from @hugh_hassan http://t.co/1smqBgyNdJ

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Ryan Sproule

@sproule_

1 year

@RiscZero

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Ryan Sproule

@sproule_

2 years

uhhhhhhh…

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Ryan Sproule

@sproule_

6 months

I have built my first frame on @farcaster_xyz ! A shared game where users are fighting against (or with) a deadly virus spreading across the platform! Check it out:

Ryan Sproule on Warpcast

🦠 SUPER SPREADER 🦠 A virtual virus has erupted across Farcaster! Can the community unite to overcome, or will the virus claim victory? https://super-spreader.vercel.app/ As patient zero, I have...

warpcast.com

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Ryan Sproule

@sproule_

9 years

Hugh Hassan made money in the Iraq war http://t.co/asCbVaoiF0

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Ryan Sproule

@sproule_

10 months

when people saying “I’m in stables”

cami 🧸

@camiinthisthang

10 months

timeline cleanse 🧼🫧

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Ryan Sproule

@sproule_

1 year

"EthereumPostalService DOEsnt HAvE pRodUCT markeT fIT":

Adam Cochran (adamscochran.eth)

@adamscochran

1 year

Any devs want to pitch in on a new prototype concept? "WarrenSwap" - a wrapper over Uniswap where every time you do a trade, it sends a custom lobbying letter to Warren letting her know you were super informed thanks to blockchain transparency:

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Ryan Sproule

@sproule_

3 years

“Stealing $3B is not the game theoretical optimal strategy for me” I said the same thing about eating a dozen Krispy Kreme donuts but here we are

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Ryan Sproule

@sproule_

1 year

ZK TFHE (wip) - Run the @zama_fhe FHE protocol inside zk. Get all the benefits of fully homomorphic encryption (privacy) while having assertions that the computation was not tampered with.

GitHub - rsproule/zk-tfhe: Prove that Fully homomorphic encryption computation in zama concrete-rs...

Prove that Fully homomorphic encryption computation in zama concrete-rs was done correctly via risc zero - rsproule/zk-tfhe

github.com

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Ryan Sproule

@sproule_

4 months

When Lisan al Gaib finally shows us the way to paradise

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Ryan Sproule

@sproule_

1 year

oh sorry ill unfollow him right away i was a fan of his leadership of the fremen and casting the harkonnen off arrakis but i had no idea he set forth a holy war spreading across the universe like an unquenchable fire, a warrior religion with fanatical legions chanting his name

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Ryan Sproule

@sproule_

11 months

If I ever fall to the point where I’m saying “it’s giving”as a part of my vocabulary please just crush my trachea

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Ryan Sproule

@sproule_

9 months

@samrags_

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Ryan Sproule

@sproule_

10 years

Put a tiny mirror over your picture on your driver's license so when you get pulled over, the cop gets confused and arrests himself.

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Ryan Sproule

@sproule_

10 years

Felt pretty cool to break the record tonight... Couldn't have done it without the squad. #RollVikes

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Ryan Sproule

@sproule_

1 year

Shrimp cubes (not financial advice)

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Ryan Sproule

@sproule_

1 year

is it too much to ask for a zk proof of correctness that my coffee was made with whole milk and not oat "milk"?

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Ryan Sproule

@sproule_

1 year

Select * where devs.state=cope

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Ryan Sproule

@sproule_

2 years

Attention devs @ ethcc. If you are a software engineer that has interest in building AND investing around blockchain technologies, say hi in my dms to coordinate connecting irl

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Ryan Sproule

@sproule_

10 years

Tom Brady is an unruly kid at Disneyland http://t.co/56Rc5Sllz9

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Ryan Sproule

@sproule_

1 year

Was thinking that a memory leak chart could also be a valid graph for the amount of poo in my body over time

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Ryan Sproule

@sproule_

9 years

Awkward hugs from uncle Clint http://t.co/CS9qnfmlCt

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Ryan Sproule

@sproule_

9 years

Wet spots don't stand a chance

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Ryan Sproule

@sproule_

1 year

the gap has been bridged

kethic.eth 🔴✨🛡️

@kethcode

1 year

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Ryan Sproule

@sproule_

2 years

@fuellabs_ sees where the puck is going in scaling blockchains. Consensus is not the bottleneck, we need to scale at the execution layer by going beyond the EVM.

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Ryan Sproule

@sproule_

1 year

quiz: Is it possible (via a proof or directly) for an L2 smart contract to know if its own state transitions have been posted to the L1 and at what block height?

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Ryan Sproule

@sproule_

1 year

Nothing beats the childlike joy of forcing a driverless car to stop and start a few dozen times by pretending to walk into the street in front of it

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Ryan Sproule

@sproule_

2 years

I had a few major takeaways from this experience: 1. in this space, simply paying attention and some basic knowledge of how to read block explorers can mean millions of dollars. 2. todays runtime security + disaster response around smart contracts is extremely nascent.

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Ryan Sproule

@sproule_

1 year

ZK Sentiment Analysis - verifiably prove some sentiment score produced in a Risc Zero program. This could allow a decentralized content network that handles certain forms of content curation in a fully transparent and trustless manor

GitHub - rsproule/zk-sentiment: simple sentiment analysis inside risc zero for trustless verifiable...

simple sentiment analysis inside risc zero for trustless verifiable sentiment scores in trustless environments - rsproule/zk-sentiment

github.com

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Ryan Sproule

@sproule_

2 years

Sway is based on Rust, which was new to me before starting with Sway. This added little to no friction for me picking up the basics of Sway, and inversely, helped get me going on Rust! (wish I had done so ages ago)

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Ryan Sproule

@sproule_

11 months

don't prepend the commands in ur documentation with $... we all know they are shell commands and don't have time for the high precision copypasting

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Ryan Sproule

@sproule_

1 year

@samrags_ @adamscochran @boredGenius thinking about a smart contract that controls the state of my Smart Lock. Can run periodic on-chain auctions for the right to open my front door. This is a paradigm shift in how we think about the utility of the chain.

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