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Computing on Bitcoin #39
May 16, 2025 - Week 20

Welcome to this week’s edition of Computing on Bitcoin News! . From protocol updates to new bridges and ecosystem commentary, it’s another packed edition.

BIG NEWS! Together with Input | Output, we will be at Bitcoin Vegas 2025 presenting a trust-minimized protocol to make Bitcoin assets (BTC, Ordinals, any UTxOs) directly usable in DeFi applications.
Learn how we’re extending Bitcoin’s utility without compromising its core principles.

🔗 Register here: Put your BTC to work with DeFi 

Now, on with our article selection for the week:

01
Fiamma Co-Founder on BitVM as Bitcoin’s Trustless Settlement Layer

Yovela Luo, co-founder of Fiamma, presented how BitVM can enable Bitcoin as a trustless settlement layer by supporting native bridges and decentralized cross-chain infrastructure without custodians.

Beyond HODLing: How Bitcoin Can Now ‘Travel’ Without Trust Issues - Yovela Luo, Co-founder of Fiamma

@House of ZK
Yovela Luo, Co-founder of Fiamma, breaks down how BitVM is transforming Bitcoin into a trustless settlement layer — enabling native bridges, unlocking network security, and powering cross-chain infrastructure without centralized custody.
A must-watch for anyone serious about Bitcoin's future.

02
Igra Labs Flags Centralized Risks in L2s, Highlights BitVM’s Potential

Pavel and Dennis from Igra Labs discuss Bitcoin’s scalability challenges, raising concerns about centralized L2s like Starknet and highlighting BitVM as a promising approach for decentralized verification.

kasmedia.com
🔗 An Igra Labs Interview: A Bright Kaspa Future and a Dark Bitcoin Past

Starknet is building a ZK rollup, batching transactions using their sequencer and sending proofs of these batches to the Bitcoin chain. From a security perspective, using BitVM for trust-minimized bridging is better than standard multisig-based solutions as it requires only one honest operator.
Starknet still relies on a centralized sequencer, which is common among rollups, because Bitcoin and Ethereum chains aren't performant enough for sequencing. Having a centralized sequencer reduces system security and censorship resistance, so this is an area for improvement.

03
BitVM Updates Blake3 Implementation for SP1 Compatibility

BitVM has updated its Blake3 implementation to align with SP1's new compatibility, and the Fuzzer has been revised accordingly

04
Bitlayer and Sui implement trust-minimized BitVM Bridge

Bitlayer and Sui integrate the BitVM Bridge to launch Peg-BTC (YBTC), a Bitcoin-backed asset enabling trust-minimized BTC transfers into Sui.

medium.com/@Bitlayer
🔗 Bitlayer and Sui Achieve BTCFi Milestone with First Trust-Minimized BitVM Bridge Implementation

The new Bitcoin-backed asset will bring BTC into the Sui ecosystem through BitVM Bridge, a trust-minimized bridge powered by Bitlayer and underpinned by the advanced BitVM smart contract framework.
With trillions dollars in market capitalization and accelerating institutional adoption, Bitcoin is poised to become a cornerstone of cross-chain DeFi innovation. With Peg-BTC (YBTC) soon to go live, Sui will offer another leading option for Bitcoin holders to increase the utility of their BTC beyond a store of value.

That’s a wrap for this week’s Computing on Bitcoin News.
Thanks for reading and staying at the frontier of Bitcoin innovation.
We’ll be back next Friday with more protocol developments, community insights, and deep dives!
The Fairgate Team

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