@bitvmx

A platform for Universal Computation on Bitcoin. White paper: https://xitter.cf/t.co/ZQFPfZw8kg Telegram: https://xitter.cf/t.co/twML6XYFWm

 The Altstack
bitvmx.org
Joined April 2024
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New research from Fairgate's CTO, @SDLerner: FlatMerkle. The paper introduces a way to achieve compact, logarithmic-size inclusion proofs using a single linear hash stream, without requiring a traditional Merkle tree. Read the paper: eprint.iacr.org/2026/2468.pd…
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🔗Verifier inputs can now include Cosign inputs interleaved at arbitrary positions, enabling more flexibility and opening the door to counter-proofs within the protocol flow.
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🛡️Database recovery capabilities have also been introduced, allowing the system to recover from corrupted database states and restore operation in a controlled way, making recovery scenarios much more manageable.
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✨BitVMX keeps pushing forward, with the system becoming more robust, efficient, and capable with every step. We’re excited about where this is heading, and there’s a lot more to come. Stay tuned! 🔥
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🔍The Bitcoin Indexer just got a major refactor focused on storage efficiency, scalability, and performance. Its indexing strategy now uses a bounded set of recent blockchain data, cutting storage needs while keeping the data required for protocol operation available.
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🧠A new article covers Garbled Circuits for computing SHA-512 on Bitcoin. It enables funds to be locked to a SHA-512 preimage, with the hash evaluated off-chain as a Garbled Circuit and the result settled on-chain. Tested on Bitcoin Mainnet: bitvmx.org/knowledge/using-g…

BitVMX | Using Garbled Circuits To Compute SHA-512 On Bitcoin

Bitcoin Script by design, is not Turing-complete and even some useful opcodes were disabled due to security concerns. Here is where BitVMX comes in

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BitVMX continues to advance across its core infrastructure, protocol execution, and developer tooling, with several components receiving deeper architectural improvements and broader operational capabilities. Here’s what we’ve been working on 🧵
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Bitcoin Script has no native SHA-512. BitVMX enables funds to be locked based on a SHA-512 preimage, evaluating the hash function as a garbled circuit off-chain, settling the result on-chain with a fixed set of transactions. Tested on Bitcoin mainnet. bitvmx.org/knowledge/using-g…

BitVMX | Using Garbled Circuits To Compute SHA-512 On Bitcoin

Bitcoin Script by design, is not Turing-complete and even some useful opcodes were disabled due to security concerns. Here is where BitVMX comes in

bitvmx.org
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BitVMX continues to move forward with another round of improvements across the protocol, infrastructure, security, and developer tooling. Here’s what we’ve been working on 🧵
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⚙️The Bitcoin coordinator refactor is now complete, with additional documentation and robustness improvements. We also published a detailed article explaining its architecture and operation: bitvmx.org/knowledge/a-bitco…

BitVMX | A Bitcoin Transaction Coordinator

Signing a Bitcoin transaction and handing it to a node is the easy part. Driving it all the way to a durable confirmation is the hard part.

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Another strong round of progress across BitVMX, with continued focus on making the system more robust, secure, and easier to work with. Thanks for following along, more to come! 🚀
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Signing a Bitcoin transaction is easy. Getting it to a durable confirmation is not. A new BitVMX article breaks down a Transaction Coordinator library: broadcast, tracking, automatic fee bumping via CPFP/RBF, and structured event reporting. bitvmx.org/knowledge/a-bitco…

BitVMX | A Bitcoin Transaction Coordinator

Signing a Bitcoin transaction and handing it to a node is the easy part. Driving it all the way to a durable confirmation is the hard part.

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