Jesse Posner
Co-Founder at Vora
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolJesse Posner is a San Francisco-based software engineer and founder with a decade of experience building cryptography-focused blockchain systems. As Co-Founder of Vora and a former Senior Blockchain Engineer at Block, he has shipped production-grade key management, distributed key generation, and threshold Schnorr signatures, drawing on hands-on work from Coinbase where he led key generation ceremonies and cold storage operations. A prolific open-source contributor, he advanced ECDSA adaptor signatures in the secp256k1-zkp project and contributed to Bitcoin-era privacy and security initiatives, including FROST integrations. His background also includes a Juris Doctor from George Washington University Law School and experience advising startups on corporate governance, intellectual property, and financing. Based in the Bay Area, he blends cryptography depth with startup leadership to turn complex cryptographic ideas into practical, auditable systems for the blockchain ecosystem.
10 years of coding experience
10 years of employment as a software developer
Bachelor of Arts (B.A.), Liberal Arts, Bachelor of Arts (B.A.), Liberal Arts at St. John's College (NM)Doctor of Law (J.D.), Law, Doctor of Law (J.D.), Law at The George Washington University Law SchoolBitcoin, Blockchains, Decentralized Applications, Bitcoin, Blockchains, Decentralized Applications at Blockchain UniversityRuby, Ruby on Rails, JavaScript, jQuery, React.js, Flux, SQL, Git, HTML, CSS, Ruby, Ruby on Rails, JavaScript, jQuery, React.js, Flux, SQL, Git, HTML, CSS at App Academy
Github Skills (8)
elliptic-curve10
c1710
secp256k110
bitcoin10
bitcoins10
c1110
cryptography10
sha2569
Programming languages (11)
Github contributions (5)
BlockstreamResearch/secp256k1-zkp
Jan 2021 - Sep 2022
A fork of libsecp256k1 with support for advanced and experimental features such as Confidential Assets and MuSig2
Role in this project:
Back-end Developer / Cryptography Engineer
Back-end Developer / Cryptography EngineerContributions:65 reviews, 9 commits, 5 PRs in 1 year 8 months
Contributions summary:Jesse focused on implementing and expanding the ECDSA adaptor signature functionality within the secp256k1-zkp library. Their work included the initial setup of the ECDSA adaptor module, addition of discrete logarithm equality proofs, a custom nonce function, and the implementation of ECDSA adaptor signature APIs for encryption, decryption, verification, and key recovery. The contributions demonstrate a strong understanding of cryptography and its practical application within the Bitcoin and related blockchain domains.
cryptographylibsecp256k1rangeproofsbitcoin
jesseposner/LaunchPad
Apr 2016 - May 2016
Contributions:126 commits, 118 pushes, 1 branch in 19 days
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