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 254 out of 1000 (an Excellent rating) as of October 2026, ranking #1,474 (top 0.5%) among 493,668 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 101,484 followers as of October 2026 on X and has published 2,949 posts. PROOF has been mentioned by 687 accounts a total of 2,431 times.
PROOF's portfolio includes Mythical Games.
Who follows PROOF on X?
The accounts that follow PROOF include 1,006 founders, 257 angel investors, 589 influencers and 16 VCs. Among them are Chris Dixon, Toly, Laura Shin, 6529, Threadguy and Udi Wertheimer.