Alfonso is a co-founder of Crossmint, a crypto wallet infrastructure and stablecoin payments company. Alfonso's Twitter Score is 86 out of 1000 (a Good rating) as of August 2026, ranking #8,881 (top 5%) among 483,288 tracked accounts.
Alfonso co-founded Crossmint, whose platform covers wallets, stablecoin accounts, onramps, checkout, cards, trading, bridging, staking, yield, tokenization, and AI-agent finance infrastructure. Crossmint raised $23.6M in a round led by Ribbit Capital in March 2025, and received a strategic investment from Circle Ventures in September 2025. In July 2026, Crossmint obtained authorization from the Bank of Spain as a payment institution and a MiCA license from Spain's CNMV.
Alfonso has been involved with crypto since 2012, building decentralized applications with Bitcoin Script. Previously at Google, he worked on reCAPTCHA, Firebase Auth, Google's first AI-agent API, and Actions. He also previously worked at WhatsApp as its third Product Manager.
Alfonso has 6,343 followers as of August 2026 and has published 5,250 posts. He has been mentioned by 34 accounts a total of 52 times.
Who follows Alfonso on X?
The accounts that follow Alfonso include 336 founders, 77 angel investors, 75 influencers and 6 VCs. Among them are Balaji, Solana, Mert, Udi Wertheimer, Jesse Powell and Mario Nawfal.