Blockchain development, cryptocurrency, and open-source technology by Jeff Garzik

Jeff Garzik is an early Bitcoin Core contributor and former software engineer at Red Hat. He co-founded Bloq, a blockchain infrastructure firm developing multi-chain systems and led development of the Hemi Network in 2025. Hemi’s Proof-of-Proof protocol proposes a novel interoperability model linking Bitcoin security guarantees to Layer-1 scalability across Ethereum and Cosmos ecosystems.

Garzik also founded NextCypher Productions, a Web3 media studio focused on decentralized storytelling. His advisory roles span over a decade, including BitFury, Coin Center, and various early token projects. As of 2025, Garzik remains an advocate for Bitcoin-first interoperability, citing regulatory neutrality and security anchoring as strategic priorities.

Garzik combines technical legacy with forward-thinking architecture, consistently building tools that extend Bitcoin’s role in a modular crypto landscape.

  • Yaroslav Dmytrenko
  • 22.05.2026
AI tokens lack efficient real-time pricing, Ser Jeff Garzik argues
Ser Jeff Garzik raises concerns about the current pricing of AI tokens, suggesting they are either being subsidized and underpriced or have become overpriced. He emphasizes the need for a true, ...
  • Hanna Syniavska
  • 04.05.2026
Ser Jeff Garzik: Crypto bears face $300 million in liquidation losses
Ser Jeff Garzik, industry influencer, highlights that crypto market bears have suffered $300 million in liquidation losses. His statement comes as liquidation events continue to impact market ...
  • Daria Chernytska
  • 30.04.2026
VUSD offers redemption and sVUSD provides yield in onchain system, Ser Jeff Garzik notes
Ser Jeff Garzik, industry influencer, presents a new three-part architecture featuring two instruments, VUSD and sVUSD. VUSD acts as a redemption instrument, described as over-collateralized, ...
  • Jose Antonio Gastelum
  • 28.04.2026
ShrimpyApp: Stablecoin issuers now among top U.S. Treasury holders
ShrimpyApp, industry influencer, highlights the massive scale of stablecoin circulation, reporting that $320 billion in stablecoins are currently in use. Issuers have become the seventh-largest ...
  • Hanna Syniavska
  • 25.04.2026
Crypto DeFi adapts to real world product fit, flynnjamm notes
flynnjamm, industry influencer, highlights the focus on scaling decentralized finance (DeFi) solutions for real world applications, with an emphasis on adapting to successful product-market fit. ...
  • Jose Antonio Gastelum
  • 23.03.2026
Ser Jeff Garzik: Post-deployment audits essential for DeFi security
Ser Jeff Garzik highlights the importance of post-deployment audits in DeFi. He notes that code audits alone may not uncover certain vulnerabilities, such as externally owned accounts appearing in ...
  • Jose Antonio Gastelum
  • 06.11.2025
Ser Jeff Garzik questions crypto for gun purchases
Ser Jeff Garzik raises the controversial issue of using cryptocurrencies to purchase firearms. He compares this debate to past controversies surrounding the use of Visa and MasterCard for ...
  • Daria Chernytska
  • 24.10.2025
Ser Jeff Garzik sparks demand for Proof of Human solutions
Ser Jeff Garzik, a prominent figure in the blockchain community, calls for solutions to implement 'Proof of Human'. He questions which entities, ranging from banks to startups, will fulfill this ...
  • Ezequiel Gomes
  • 20.10.2025
Ser Jeff Garzik warns of stablecoin shift amid USG and China financial policies
Ser Jeff Garzik, a prominent figure in the cryptocurrency world, has raised significant concerns about the evolving nature of stablecoins. According to Garzik, stablecoins are becoming deeply ...
  • Viktoras Karapetjanc
  • 05.10.2025
Ser Jeff Garzik heralds free and open source software spirit
Ser Jeff Garzik, in a lighthearted tweet, celebrated the influence of Free and Open Source Software. His message conveyed enthusiasm and appreciation, highlighting the power and importance of ...
  • Yaroslav Dmytrenko
  • 02.10.2025
Ser Jeff Garzik warns of centralization in stable coins policy
Ser Jeff Garzik has raised concerns about the centralization of Blue Chip stable coins and their role in U.S. dollar policy. He suggests that the market weight of USDC and USDT signifies a ...
  • Artem Shendetskii
  • 17.09.2025
Ser Jeff Garzik highlights innovative solar panel factory in a box
Ser Jeff Garzik, a prominent figure in the tech community, points to a remarkable development in the renewable energy sector. A new concept of a solar panel factory housed within a container is ...
  • Olesia Kramarenko
  • 15.09.2025
Ser Jeff Garzik warns of market illiquidity risks
Ser Jeff Garzik, a co-founder of Bloq and a prominent figure in the cryptocurrency and blockchain sectors, highlights the peril of latent market illiquidity. Liquidity may appear sufficient under ...
  • Igor Krasulya
  • 02.09.2025
Ser Jeff Garzik criticizes UK's economic policies amid rising bankruptcies
Ser Jeff Garzik, a prominent voice in the financial sphere, has voiced concerns regarding the United Kingdom's current economic policies. Highlighting what he perceives as 'macro insanity,' Garzik ...