« Newsletters

Computing on Bitcoin #56
September 12, 2025 - Week 37

Welcome to another edition of Computing on Bitcoin News, your weekly window into the ideas and infrastructure pushing Bitcoin into its next phase.
We spotlight the updates that matter for those building at the frontier of programmable Bitcoin.
Let’s dive in.

01
BitVM Panel at BTC++ Highlights the Future of Trustless Bitcoin Bridges

At Bitcoin++ Istanbul, a BitVM panel discussion brought together Robin Linus (ZeroSync), Orkun Mahir Kılıç (Citrea), Ariel Futoransky (Fairgate CSO), Simanta Gautam (Alpen Labs) and Isabel Foxen Duke sharing highlights. The session explored the role of garbled circuits in advancing trust-minimized Bitcoin bridging and the broader future of BitVM.

02
BitVMX FORCE Recap: Flex, WISCH, and Protocol Demos at BTC+

Fairgate has published a recap of BitVMX FORCE at Bitcoin++ Istanbul. Highlights included Martin Jonas on building advanced protocols with BitVMX, Ramsès Fernández introducing WISCH to cut signing costs, and Ariel Futoransky unveiling FLEX, a capital-efficient fraud-proof scheme for bridges.

fairgate.io/blog
🔗 BitVMX FORCE at btc++ Istanbul: Expanding on Bitcoin’s Scaling Capabilities

At this year’s edition of btc++ in Istanbul, Fairgate, on behalf of BitVMX FORCE, presented three technical sessions focused on the evolving architecture of Bitcoin-native computation. Through these talks, contributors to the BitVMX ecosystem shared recent advancements, design insights, and experimental directions that expand the boundaries of what’s possible to build on Bitcoin without changes to its consensus.

03
Citrea Integrates TOOP to Power Garbled Circuit-Based Transfers

Citrea, alongside BOB and Cardano, is adopting Fairgate’s TOOP (Transfer of Ownership Protocol). At Bitcoin++ Istanbul, Ekrem Balamir showcased Citrea’s integration of TOOP with garbled circuits, underscoring how Fairgate’s designs are being embraced across the ecosystem to push Bitcoin’s technical boundaries.

04
Cardinal Protocol Bridges Bitcoin and Cardano Using BitVMX

An article discusses Cardinal, a Bitcoin–Cardano bridge that uses MuSig2 and BitVMX to enable secure, programmable interaction between the two ecosystems.

cryptodnes.bg/en
🔗 The Bitcoin-Cardano Bridge is Here: What it Means for DeFi

This initiative, highlighted by Cardano founder Charles Hoskinson and IOG CTO Roman Pellerin, marks their most direct effort yet to integrate Bitcoin.
While already capable of wrapping and unwrapping Ordinals, Pellerin notes the protocol isn’t “production-ready” yet, with improvements planned for the 1.0 version.
Cardinal lets Bitcoin holders access DeFi services like lending and borrowing on Cardano without relying on centralized bridges.

Thanks for reading this edition of Computing on Bitcoin News.
Week by week, the technical foundation for programmable, trust-minimized Bitcoin is growing stronger, and we’re here to help you stay ahead.
We’ll be back next Friday with more updates from the builders, researchers, and protocols shaping what comes next.
The Fairgate Team

░Subscribe To Our Newsletter