Marco Argentieri 👾 (@tierotiero) — Twitter Score 44 out of 1000

Marco Argentieri is a Bitcoin developer who co-founded Ark Labs and serves as its CEO. Marco Argentieri's Twitter Score is 44 out of 1000 as of October 2026, ranking #21,417 (top 5%) among 497,973 tracked accounts.

Marco Argentieri co-founded Ark Labs alongside Simone Giacomelli to build the Ark protocol, a Bitcoin layer-2 designed for instant, programmable offchain transactions. Ark is self-custodial, giving users unilateral exit paths through presigned transactions, and requires no Bitcoin fork, new opcode, sidechain, or rollup architecture. The team's product, Arkade, is a Bitcoin-native execution layer whose public beta launched in October 2025. A 2026 academic analysis co-authored by Marco Argentieri identified two attacks affecting the testnet implementation; the researchers responsibly disclosed the findings and confirmed that fixes were integrated into the mainnet build.

Marco Argentieri also co-founded Vulpem Ventures, where he previously served as Head of Products and led development of Marina Wallet and Fuji Money. He is also a member of the Liquid Network Technology Board, which guides technical priorities and interfaces with Blockstream.

Marco Argentieri has been active on the platform since 2011 and has published 10,783 posts. Ark Labs has raised institutional backing exceeding $7.7 million, including a $2.5 million pre-seed round led by Draper Associates alongside Fulgur Ventures and Axiom Capital, announced in August 2024, and a $5.2 million seed round announced in March 2026 with participation from Tether, Ego Death Capital, Epoch VC, Anchorage Digital, and others. Marco Argentieri has been mentioned by 52 accounts a total of 121 times.

Who follows Marco Argentieri on X?

The accounts that follow Marco Argentieri include 242 founders, 25 angel investors, 91 influencers and 3 VCs. Among them are Udi Wertheimer, Eric Wall, Banteg, Adam Back, 0xMaki and mikedemarais.eth.