PROOF is an NFT collective and studio co-founded by Kevin Rose and Justin Mezzell that created Moonbirds, a collection of 9,999 unique Ethereum-based digital items. PROOF's Twitter Score is 257 out of 1000 (an Excellent rating) as of August 2026, ranking #1,447 (top 0.5%) among 483,944 tracked accounts.
PROOF was co-founded by Kevin Rose and Justin Mezzell and raised a $50 million Series A led by a16z crypto in 2022, with additional backing from Seven Seven Six, True Ventures, Collab+Currency, Flamingo DAO, VaynerFund, and SV Angel. Moonbirds launched in April 2022 and, per Fortune, generated $281 million in sales within its first weeks, rising quickly on OpenSea charts after launch. In January 2023, co-founder Kevin Rose was targeted in a phishing incident; Arkham Intelligence estimated the value of NFTs lost at $1.09 million, as reported by Axios.
PROOF previously operated Moonbirds and was formerly affiliated with Grails, both of which became part of its broader NFT studio offering. In February 2024, Yuga Labs announced it had acquired PROOF, including Moonbirds, Mythics, Oddities, and Grails. PROOF has 101,976 followers as of August 2026 on X and has published 2,950 posts. PROOF has been mentioned by 686 accounts a total of 2,430 times.
PROOF's portfolio includes Mythical Games.
Who follows PROOF on X?
The accounts that follow PROOF include 999 founders, 257 angel investors, 595 influencers and 16 VCs. Among them are Chris Dixon, Toly, Laura Shin, 6529, Threadguy and Udi Wertheimer.