Achievements
- Founded Revoke.cash, a leading platform for crypto security and scam prevention
- Over 6 years of experience in crypto security, focusing on user protection
- Participated in Y Combinator W22, working on multiple startup ideas including Armada and Chaingrep
- Expertise in smart contracts on Bitcoin Cash, developing dev tools and APIs for blockchain readability
- Spoken at major crypto conferences like EthCC, Devcon, and Trufflecon to promote security awareness
- Committed to open-source projects and education to improve wallet and protocol security
About Rosco Kalis
Yo, have you heard of Rosco Kalis? The guy’s a legit force in the crypto security world. He’s the founder of Revoke.cash, which is basically the go-to platform now for keeping your crypto safe from scams and shady token approvals. No cap, he’s been crushing it in this space for over 6 years, diving deep into the security side of crypto, like, making sure people don’t get wrecked by bad actors.
His process’s kinda wild. Started out bouncing around in the crypto scene, working with companies like Codec, ConsenSys, and General Protocols. Basically, he’s been in the trenches, understanding how blockchain tech works under the hood, especially with smart contracts on Bitcoin Cash, building dev tools, APIs, stuff that makes blockchain more human-readable and safer. That’s his jam.
Then he jumped into Y Combinator in W22, which is a huge deal, think of it as the startup bootcamp for the best of the best. Before settling on Revoke.cash, he was messing around with a bunch of ideas: a natural language NFT search engine, Armada, Chaingrep… dude’s always been about building tools that push the space forward. But it was clear his real passion was security and user protection because that’s what he’s now all about with Revoke.cash.
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Talk to herWhat’s dope is he’s more than just a builder of tech, he’s all in on education, open source, and making wallet and protocol security easier and more accessible. He’s spoken at top crypto conferences like EthCC, Devcon, Trufflecon, basically the biggest stages to share what he’s learned and push the industry forward.
All this shows one thing, Rosco’s not just in crypto to make a quick buck. He’s genuinely motivated by making the space safer, more transparent, and more user-friendly. He jumped into a wild, complicated world and decided to fix the shit that’s holding it back. That takes real conviction. He’s the kind of guy who’s here to build real, lasting impact, not just chase hype.
So yeah, if you wanna know who’s really pushing crypto security forward right now, it’s Rosco. The guy’s the real deal.

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