Eli Ben-Sasson

Eli Ben-Sasson

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CEO @ StarkWare | 2x Co-founder: Zcash, StarkWare ZK Math to Market Momentum: ZK-STARK, Zcash co-inventor Opinions mine, no investment advice

Solve Crypto's UX, Security, and Reputation; Term Fades
SocialMay 4, 2026

Solve Crypto's UX, Security, and Reputation; Term Fades

I read a lot of the replies over the past day and I have a few thoughts: 1. Judging by the engagement this tweet received, mainly the amount of comments and replies, people care about this topic. Whether their opinion on...

By Eli Ben-Sasson
STARKs Simplified: Introducing the Core Problem
SocialMay 4, 2026

STARKs Simplified: Introducing the Core Problem

How STARKs work? Call it moon math or ZK-magic, STARKs are too beautiful to require a PhD to understand them. So here is my best attempt yet to explain how they work for non-mathematicians, in a simplified and clear way. I focused on...

By Eli Ben-Sasson
Stop Excuses, Make Bitcoin Quantum‑ready Now
SocialMay 4, 2026

Stop Excuses, Make Bitcoin Quantum‑ready Now

"Perfectly explained" is not how I'd describe it... Can we please stop looking for excuses to avoid the tough but necessary work to get Bitcoin quantum-ready?

By Eli Ben-Sasson
Zcash Gains Momentum; Starknet’s Success Is Coming
SocialMay 3, 2026

Zcash Gains Momentum; Starknet’s Success Is Coming

Really happy to see the recent traction of Zcash, first crypto project I co-founded more than a decade ago. Starknet, the second, will have its day, mark my words.

By Eli Ben-Sasson
Starknet Achieves Quantum Resistance Faster Than Ethereum
SocialMay 2, 2026

Starknet Achieves Quantum Resistance Faster Than Ethereum

Wrong, you forgot Starknet, given that (i) Starknet becoming quantum resistant requires minimal effort, (ii) Starknet recently launched a post-quantum wallet demonstrating that, and (iii) Ethereum's efforts to become quantum resistant are already underway.

By Eli Ben-Sasson
Blockchains Grant Uncensored Finance and Entrepreneurial Freedom
SocialMay 1, 2026

Blockchains Grant Uncensored Finance and Entrepreneurial Freedom

Blockchains empower individuals not only by enabling financial activity without censorship or permission, they also guarantee freedom of entrepreneurship. It's just as important.

By Eli Ben-Sasson
Quantum Computers Threaten RSA, Break ECC, but Not Lattice‑based Cryptography
SocialMay 1, 2026

Quantum Computers Threaten RSA, Break ECC, but Not Lattice‑based Cryptography

Which types of cryptography will be broken by quantum computers and which will not? Here is my explanation. https://t.co/pdsPJTQsEb

By Eli Ben-Sasson
Privacy Essential for DeFi; STRK20 Delivers Fast, Cheap Anonymity
SocialApr 30, 2026

Privacy Essential for DeFi; STRK20 Delivers Fast, Cheap Anonymity

Privacy is one of the most crucial features for blockchains. Mass adoption cannot happen if everyone's wallets, trades, positions, and payments are exposed. DeFi will not advance without privacy. STRK20 is the rare combination of fast, cheap and easy to use privacy. https://t.co/qS7KC2lgef

By Eli Ben-Sasson
Crypto Must Pivot to Open Economy, Not TradFi
SocialApr 30, 2026

Crypto Must Pivot to Open Economy, Not TradFi

In the context of crypto at the very top of this list, but also in the context of the general sense that crypto is not as hot as it used to be -- crypto needs to redefine its direction. And...

By Eli Ben-Sasson
Blockchain Privacy Demands Breakthrough Architecture, Not Simplicity
SocialApr 29, 2026

Blockchain Privacy Demands Breakthrough Architecture, Not Simplicity

Achieving privacy on a blockchain is anything but simple. Even with ZK proofs, there are technical challenges that make this supposedly simple feature (Privacy) harder to deliver than what people realize. It took innovative architecture and technological breakthroughs to unlock Privacy....

By Eli Ben-Sasson
Crypto Pays TradFi, Not the Other Way Around
SocialApr 29, 2026

Crypto Pays TradFi, Not the Other Way Around

Contrarian view: Tradfi is interested in crypto for only two things: 1. Giving access to blue-chip crypto assets to their customers 2. Getting paid (a lot) to put their name on some crypto affiliation, as operating/validating it. There's no flow of $...

By Eli Ben-Sasson
Crypto Community Moves Past Quantum Computer FUD
SocialApr 29, 2026

Crypto Community Moves Past Quantum Computer FUD

One thing that changed for the better in crypto over the past few months: people stopped treating quantum computers as FUD

By Eli Ben-Sasson
Privacy's Top Trade‑offs: UX, Composability, Then What?
SocialApr 28, 2026

Privacy's Top Trade‑offs: UX, Composability, Then What?

The most important trade-off to solve when it comes to privacy is UX. The second most important thing to solve is composability. What's the third?

By Eli Ben-Sasson
Crypto's Survival Test: AI Competition, Governance, and Market Fit
SocialApr 28, 2026

Crypto's Survival Test: AI Competition, Governance, and Market Fit

Here are the challenges that crypto needs to navigate: 1. AI is the new kid in town, sucked all oxygen in the room. This means devs, users, investors are playing with that new shiny toy and asking “why do I need...

By Eli Ben-Sasson
Crypto Should Reshape Finance, Not Be Subsumed
SocialApr 27, 2026

Crypto Should Reshape Finance, Not Be Subsumed

2 Scenarios for TradFi's hug of crypto: Scenario 1: Crypto adapts to TradFi. It may still look and feel like crypto, but under the hood it runs on the same centralized Big Brother systems. Scenario 2: Crypto changes TradFi, creating incentives for...

By Eli Ben-Sasson
ZEC Leads Privacy; Seeking Post‑Quantum Schelling Point
SocialApr 27, 2026

ZEC Leads Privacy; Seeking Post‑Quantum Schelling Point

ZEC is Crypto Schelling point for Privacy. What’s the Schelling point for Post Quantum Crypto?

By Eli Ben-Sasson
Native Account Abstraction Simplifies Starknet’s Quantum‑resistance Migration
SocialApr 27, 2026

Native Account Abstraction Simplifies Starknet’s Quantum‑resistance Migration

Starknet's migration to being fully quantum-resistant will be very easy for users. The key element that will make it easy is native Account Abstraction. Native AA is one of the most important design choices we've made. An unpopular choice, but an...

By Eli Ben-Sasson
Mass Adoption of Crypto Hinges on Privacy
SocialApr 26, 2026

Mass Adoption of Crypto Hinges on Privacy

Crypto cannot reach mass adoption without privacy. Think of a company considering paying salaries onchain. No employer or employee would agree to have full salary details visible for anyone to see, compare, and track. This is just one small example of what...

By Eli Ben-Sasson
Bitcoin's Future: Privacy vs Quantum-Readiness Debate
SocialApr 26, 2026

Bitcoin's Future: Privacy vs Quantum-Readiness Debate

Twitter poll isn't working (it's not showing any results). @elonmusk pls fix. Still, interested to hear: which is more important for Bitcoin's future, privacy or quantum-readiness?

By Eli Ben-Sasson
Starknet Merges Privacy, UX, and Composability Seamlessly
SocialApr 25, 2026

Starknet Merges Privacy, UX, and Composability Seamlessly

What's unique about Starknet's privacy? It brings together privacy, strong UX, and composability, all in one system. https://t.co/FMp4JUNkNj

By Eli Ben-Sasson
Zero‑knowledge Tech Should Secure All Online Interactions
SocialApr 24, 2026

Zero‑knowledge Tech Should Secure All Online Interactions

ZK shouldn't be limited to DeFi. The power to enforce integrity should be used across everything we do online.

By Eli Ben-Sasson
Defining AI Safety Remains Harder Than Proving It
SocialApr 24, 2026

Defining AI Safety Remains Harder Than Proving It

Safety of AI: how to prevent a Hal 9000 kind of scene? You may want ZK to play a role, for example: "dear AI, please prove to me that you're safe". The issue is that ZK works only if you have...

By Eli Ben-Sasson
Quantum‑Safe Becomes Mandatory Baseline, Market Will Price It
SocialApr 24, 2026

Quantum‑Safe Becomes Mandatory Baseline, Market Will Price It

My prediction about post-quantum security: we'll see the same thing we saw with privacy -- one day, out of the blue, quantum-safety will no loner be optional. It will become a consensus baseline requirement, the obvious feature that chains...

By Eli Ben-Sasson
Starknet Will Power DeFi Privacy with ZK, AA, Cairo
SocialApr 24, 2026

Starknet Will Power DeFi Privacy with ZK, AA, Cairo

The best privacy products for DeFi will be built on Starknet. Why? - ZK - Native AA - Cairo - S-two These are the most important ingredients.

By Eli Ben-Sasson
Mass Adoption Demands Crypto’s Superior, User‑Centric Experience
SocialApr 23, 2026

Mass Adoption Demands Crypto’s Superior, User‑Centric Experience

For crypto to reach mass adoption it needs superior UX. Here's the list of what I'd consider as important UX features: - High throughput - fast finality - Low fees - Open 24/7 - Intuitive onboarding and login schemes - Simplified and secure signatures - Privacy - Security mechanisms -...

By Eli Ben-Sasson
Crypto, Like Democracy, Sacrifices Speed for Freedom
SocialApr 21, 2026

Crypto, Like Democracy, Sacrifices Speed for Freedom

Crypto is better than Traditional Finance in the same way Democracy is better than Dictatorship. Both Crypto and Democracy are less efficient, and move slower. But both lead to Freedom and Empowerment of humans.

By Eli Ben-Sasson
ZK-STARKs Deliver Privacy, Scale, and Quantum‑Resistant Empowerment
SocialApr 19, 2026

ZK-STARKs Deliver Privacy, Scale, and Quantum‑Resistant Empowerment

ZK-STARKs for privacy ZK-STARKs for scale ZK-STARKs for post-quantum security ZK-STARKs are how blockchains empower individuals

By Eli Ben-Sasson
AI and Crypto Will Transform Life Despite Risks
SocialApr 19, 2026

AI and Crypto Will Transform Life Despite Risks

AI is amazingly powerful and will change our lives. I have no doubt it will have it's own painful incidents and risks, but nevertheless, it will change the way we do things. This is also true for crypto.

By Eli Ben-Sasson
Future Kids Will Live Onchain, Powered by ZK‑STARK zkVM
SocialApr 19, 2026

Future Kids Will Live Onchain, Powered by ZK‑STARK zkVM

Conviction: our kids will not "use crypto". They'll just live on systems where they manage their assets onchain. The blockchain (or blockchains) that will make this happen, will have to enable high throughput, privacy, and quantum-safety. These will be baseline requirements. And...

By Eli Ben-Sasson
Starknet Delivers Production Ready Futures While Others Await
SocialApr 17, 2026

Starknet Delivers Production Ready Futures While Others Await

Starknet is that chain that already has in production stuff that other chains tweet about adopting or building in the future. It really is Future Proof, and like all things that live in the future, it'll take time for most of...

By Eli Ben-Sasson
Embrace Soft Forks Now to Prepare Bitcoin for Quantum Threat
SocialApr 17, 2026

Embrace Soft Forks Now to Prepare Bitcoin for Quantum Threat

The most important thing for Bitcoin community to get ready for addressing the quantum threat is taking head out of sand when it comes to soft forks and start embracing them. It'll be a big change to get post quantum, so...

By Eli Ben-Sasson
Bitcoin Must Adopt Quantum‑Safe Soft Fork Soon
SocialApr 17, 2026

Bitcoin Must Adopt Quantum‑Safe Soft Fork Soon

Can Bitcoin toss aside the efforts to become quantum-ready? The real answer is NO. And note: the most likely scenario is that it would require a soft fork. The sooner we acknowledge that, the better. Never mind my opinion, here's a good...

By Eli Ben-Sasson
Preserve Satoshi’s Vision: Trustless Interaction Over Middlemen
SocialApr 16, 2026

Preserve Satoshi’s Vision: Trustless Interaction Over Middlemen

One thing I really hope never leaves crypto spirit is trying to stand to Satoshi's ideal, which is to "allow any two parties to interact with no trusted party". Too often we go the easy way and allow a trusted...

By Eli Ben-Sasson
Future‑Proof Chains Must Be Quantum‑Resistant, Regardless of Timeline
SocialApr 16, 2026

Future‑Proof Chains Must Be Quantum‑Resistant, Regardless of Timeline

Whether you believe quantum computers will become reality as soon as 2029 or decades from now, it doesn't matter. The potential alone will scare people, and there will come a point when whatever you're building will have to be quantum...

By Eli Ben-Sasson
Starknet’s Unique Tech Powers Apps No Other Chain Can
SocialApr 15, 2026

Starknet’s Unique Tech Powers Apps No Other Chain Can

For some apps and use cases, Starknet will be the only platform that can power them. This will happen because: 1. Our stack is the only one advanced enough to enable certain features. 2. Our foundations are unique, and they ultimately deliver unique...

By Eli Ben-Sasson
Quantum‑Safe Bitcoin Without Softforks Discussed Live
SocialApr 14, 2026

Quantum‑Safe Bitcoin Without Softforks Discussed Live

The three magic words: Quantum, Safe, Bitcoin. Even more magical: without softforks. And most magical: Avihu and I will be discussing it tomorrow (Wednesday) at 3:00 PM CET, right here in a live Twitter space. Join us! (you can share your questions and...

By Eli Ben-Sasson
ZK‑STARKs Offer Quantum‑Safe Future for Bitcoin
SocialApr 14, 2026

ZK‑STARKs Offer Quantum‑Safe Future for Bitcoin

Okay, as we all know, ZK-STARKs are post-quantum secure + blockchains should prepare for the quantum era + there has been a lot of discussions about @avihu28's Quantum-Safe Bitcoin Transactions paper. So, question: what would you like to ask/know about Bitcoin,...

By Eli Ben-Sasson
Embracing Leaner Teams After Difficult Goodbyes
SocialApr 14, 2026

Embracing Leaner Teams After Difficult Goodbyes

Yesterday was not an easy day. Parting with excellent people is hard, and so is announcing it. What's next? Leaner teams, focused on clear goals.

By Eli Ben-Sasson
Bitcoin Must Upgrade for Post‑Quantum Security
SocialApr 12, 2026

Bitcoin Must Upgrade for Post‑Quantum Security

Just to be clear: does this mean Bitcoin doesn't need to upgrade to be post-quantum secure? ABSOLUTELY NOT. Bitcoin should ABSOLUTELY take the necessary steps to become PQS.

By Eli Ben-Sasson
Blockchain and ZK: Transforming Society—Read the New Book
SocialApr 10, 2026

Blockchain and ZK: Transforming Society—Read the New Book

Love blockchain. Love ZK. They will change our society. And there's a book about it 👇

By Eli Ben-Sasson
Quantum‑Safe Bitcoin Transactions Now Possible with New Binding Method
SocialApr 10, 2026

Quantum‑Safe Bitcoin Transactions Now Possible with New Binding Method

ELI5 of @avihu28's brilliant paper: 1. In a Bitcoin tx there are two parts: (1) The first part used to show that you own a Bitcoin. That part can be made post-quantum safe. (2) The second part that says who controls it...

By Eli Ben-Sasson
StarkWare’s Brainy Team Delivers Future‑Ready ZK Innovations
SocialApr 10, 2026

StarkWare’s Brainy Team Delivers Future‑Ready ZK Innovations

My Number 1, Best thing ever, about being at StarkWare, is working alongside ultra-mega-giga brains folks. Today the world is realizing what a genius @avihu28 is, but all of us at StarkWare knew this from day 1. And here's the beautiful...

By Eli Ben-Sasson
Crypto Winter's Leadership Gap Is Temporary—Stay Patient
SocialApr 9, 2026

Crypto Winter's Leadership Gap Is Temporary—Stay Patient

As part of this crypto winter we're in, there is a sense of lack of leadership. It's understandable: some OGs have left, the bear market makes it feel like crypto needs a stronger PMF, there are fewer strong...

By Eli Ben-Sasson
Better UX Is the Key for DEX to Beat CEX
SocialApr 9, 2026

Better UX Is the Key for DEX to Beat CEX

For DEX to flip CEX we need good UX. Good UX means: - Intuitive UI - Low costs - Fast processing of transactions - Safe and secure systems - Easy onboarding

By Eli Ben-Sasson
Integrity Fuels ZK's Scale and Privacy Advantages
SocialApr 9, 2026

Integrity Fuels ZK's Scale and Privacy Advantages

ZK's superpowers are scale and privacy. But if you dig deeper, the source of these superpowers is Integrity. We get scale and privacy because we can be sure that data (transactions) was processed with Integrity.

By Eli Ben-Sasson
Make ZK‑STARKs the Year‑round Security Focus
SocialApr 8, 2026

Make ZK‑STARKs the Year‑round Security Focus

Instead of spending a few month talking about privacy, then a few month talking about post-quantum security, then a few months talking about scale, we can simply talk about ZK-STARKs all year long.

By Eli Ben-Sasson
Account Abstraction Turns Every Wallet Into a Smart Account
SocialApr 7, 2026

Account Abstraction Turns Every Wallet Into a Smart Account

A few of the things that Account Abstraction enables: - Paymaster - Session keys - Social login schemes - Social recovery options - Gasless transactions - Pay with any token - Mulicalls (meaning multiple operations in one transaction) When you include AA in the architecture of a chain,...

By Eli Ben-Sasson
Cantor, Dedekind, and the Rivalry Over Infinity
SocialApr 7, 2026

Cantor, Dedekind, and the Rivalry Over Infinity

Amazing Math Story – Cantor and Dedekind and Infinity Did I already mention that @QuantaMagazine has the best science and math podcast out there? Here’s an amazing story I heard there recently. Cantor is famous for inventing Set Theory and for the...

By Eli Ben-Sasson
Startups Aren’t “Shitcoins”; Success Demands Patience and Bravery
SocialApr 7, 2026

Startups Aren’t “Shitcoins”; Success Demands Patience and Bravery

Talking about "shitcoins" is like calling startups "shitcompanies". Yes, most startups fail, and many of the successful ones take time to reach global PMF. I have a lot of respect for those brave enough to launch something, and I'm certainly proud...

By Eli Ben-Sasson