Bitcoin (BTC) users will soon be able to make use of zero-knowledge proofs (ZKPs) to expedite the process of verifying individual blocks and, eventually, the entire blockchain.
Swiss-based nonprofit ZeroSync Association is developing tooling which allows users to validate the state of the Bitcoin network without having to download the blockchain or trust a third party for verification.
ZeroSync Association is an organization that was formed to develop and maintain open-source software that enables succinct zero-knowledge proofs (ZKPs) on the Bitcoin blockchain. The group makes use of StarkWare’s proprietary zero-knowledge Scalable Transparent Argument of Knowledge (zk-STARK) validity proofs to generate ZKPs for the Bitcoin network.
The tool promises to overhaul the process of verifying the Bitcoin blockchain, which still requires node operators to download a large amount of data to synchronize the correct state of the Bitcoin network.
ZeroSync is using ZKPs as a means to eventually generate a valid proof to verify the latest state of the blockchain almost instantaneously.
ZKPs have been a revelation for the Ethereum ecosystem, with a variety of different proof methods powering a number of layer-2 scaling platforms including the likes of Polygon, Arbitrum, Optimism, and StarkNet.
Related: Polygon’s ‘holy grail’ Ethereum-scaling zkEVM beta hits mainnet
An announcement from the ZeroSync Association highlights the promise of ZKPs for blockchain scalability and privacy by providing ‘almost-fixed-size’ proofs verifying large computations.
The project’s work pioneers the application of ZKPs for the Bitcoin network, with the organization describing Bitcoin’s relative simplicity and UTXO model as a unique value proposition for the application of recursive proofs.
ZeroSync Association also notes that the ZKP tools do not require consensus changes or additional trust assumptions for the Bitcoin network and its users. The organization is building a software development kit (SDK) that will allow developers to generate custom validity proof for specific use cases without the need for indepth domain expertise.
ZeroSync is in the process of building a client for fast initial block download (IBD) as well as implementing the first full proof of Bitcoin consensus. The client will allow users to sync a full node without making any code changes to Bitcoin Core.
ZeroSync is using the Cairo programming language, pioneered by StarkWare to create STARK-provable…
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