Xin is a crypto entrepreneur who co-founded Sign, a blockchain infrastructure company building global systems for credential verification and token distribution. Xin's Twitter Score is 81 out of 1000 (a Good rating) as of September 2026, ranking #9,642 (top 5%) among 487,551 tracked accounts.
Xin serves as CEO of Sign, which he co-founded and which operates a suite of products including Sign Protocol, TokenTable, EthSign, and SignPass. Sign raised a total of $32 million across two rounds, including a $14 million seed round led by three units of Sequoia Capital and a $16 million Series A led by YZi Labs. The company's native utility token, SIGN, was listed on Binance Research with a total and maximum supply of 10 billion tokens and an initial circulating supply of 1.2 billion as of April 28, 2025.
Xin told Fortune that Sign's revenue grew from $1.7 million in 2023 to $15 million in 2024, a shift he attributed to token airdrop growth on TON. Binance Research separately confirmed the $15 million in 2024 revenue and reported that TokenTable had distributed more than $4 billion in tokens to over 40 million wallets. According to Binance Research, Sign's products were live in the UAE, Thailand, and Sierra Leone, with active expansion underway across more than 20 countries including Barbados and Singapore.
Xin has accumulated 18,870 followers as of September 2026 on X and has published 5,434 posts. Xin has been mentioned by 91 accounts a total of 176 times.
Xin's portfolio includes Clique, CARV, Ebisu and KNN3 Network.
Who follows Xin on X?
The accounts that follow Xin include 353 founders, 110 angel investors, 177 influencers and 10 VCs. Among them are CZ BNB, Qw, Loomdart, H.E. Justin Sun, John Wang and Mario Nawfal.