hal2001.hl (@hal2001) — Twitter Score 367 out of 1000

hal2001.hl is a DeFi founder who co-founded UMA Protocol and Across Protocol and serves as CEO of Risk Labs Foundation, the team building infrastructure for onchain truth and crosschain interoperability. hal2001.hl's Twitter Score is 367 out of 1000 (an Excellent rating) as of July 2026, ranking #736 (top 0.5%) among 389,587 tracked accounts.

hal2001.hl co-founded UMA Protocol, a decentralized truth machine whose Optimistic Oracle records verifiable data onto a blockchain, with UMA token holders voting on disputes to provide economic guarantees. The UMA whitepaper was published in December 2018, Risk Labs was founded in January 2019, and the UMA protocol launched in April 2020. Projects built with UMA's Optimistic Oracle include Polymarket, Story Protocol, Rated, and Sherlock, in addition to Across itself.

hal2001.hl also co-founded Across Protocol, a crosschain bridge that has processed more than $36 billion in volume across more than 5 million users, supporting chains including Ethereum, Solana, Base, Arbitrum, Optimism, and Polygon. Across launched its first version in October 2021, followed by v2 in June 2022 and v3 in February 2024. Uniswap integrated Across for native crosschain transfers within the Uniswap app. Previously, hal2001.hl worked at Goldman Sachs before moving into decentralized finance.

hal2001.hl has been active on the platform since 2007, with 6,383 posts published. hal2001.hl has been mentioned by 241 accounts, with 618 total mentions. hal2001.hl's portfolio includes CoW DAO, DELV, SEDA, SX Network, Primitive, Save Formerly Solend, Utopia Labs and SHERLOCK.

Who follows hal2001.hl on X?

The accounts that follow hal2001.hl include 1,178 founders, 405 angel investors, 477 influencers and 22 VCs. Among them are Chris Dixon, Laura Shin, Cobie, Ansem, jesse.base.eth and Stani.