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Rosco Kalis (@RoscoKalis) — Twitter Score 109 out of 1000
Score generated by TwitterScore.io based on the popularity of this account in crypto space
ZachXBT
Stani
Luca Netz 🐧✳️
Haseeb ＞|＜
CL
H.E. Justin Sun 👨🚀 🌞
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About Rosco Kalis' Twitter Score
Rosco Kalis is a crypto software engineer who founded Revoke.cash, a token-approval management tool focused on keeping crypto users safe from harmful approvals and scams. Rosco Kalis's Twitter Score is 109 out of 1000 (an Excellent rating) as of July 2026, ranking #7,726 (top 5%) among 389,201 tracked accounts.
Rosco Kalis created Revoke.cash in 2015 as a free, open-source tool that lets users inspect, revoke, or update token and NFT approvals across more than 100 networks. He began working on it full-time in 2022. The platform's browser extension warns users when they are about to sign something potentially harmful. Revoke.cash is funded by donations and grants, and the project has stated it is pursuing sustainable revenue without raising VC funding or launching a token.
Rosco Kalis also maintains several developer tools, including CashScript, truffle-plugin-verify, and truffle-assertions, which together receive more than 50,000 combined monthly downloads according to his own published figures. He previously worked with AnyHedge and Truffle as a contractor. Rosco Kalis has spoken at crypto and web3 events including EthCC, TruffleCon, Devcon 5, London Bitcoin Cash Meetup, and BUIDL Amsterdam, and authored the piece "Unlimited ERC20 allowances considered harmful," which explains token allowance risks and the reasoning behind building Revoke.cash.
Rosco Kalis has published 4,497 posts on the platform and has been mentioned by 71 accounts a total of 121 times, reflecting consistent recognition within the wallet-security and developer tooling space.
Who follows Rosco Kalis on X?
The accounts that follow Rosco Kalis include 262 founders, 75 angel investors, 199 influencers and 5 VCs, among them ZachXBT, Stani, Luca Netz, Haseeb, CL and H.E. Justin Sun.
