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A decentralized bitcoin exchange network
266a7ccea4
Add an abstract base class, 'ProofOfWorkService', for the existing PoW implementation 'HashCashService' and a new 'EquihashProofOfWorkService' PoW implementation based on Equihash-90-5 (which has 72 byte solutions & 5-10 MB peak memory usage). Since the current 'ProofOfWork' protobuf object only provides a 64-bit counter field to hold the puzzle solution (as that is all Hashcash requires), repurpose the 'payload' field to hold the Equihash puzzle solution bytes, with the 'challenge' field equal to the puzzle seed: the SHA256 hash of the offerId & makerAddress. Use a difficulty scale factor of 3e-5 (derived from benchmarking) to try to make the average Hashcash & Equihash puzzle solution times roughly equal for any given log-difficulty/numLeadingZeros integer chosen in the filter. NOTE: An empty enabled-version-list in the filter defaults to Hashcash (= version 0) only. The new Equihash-90-5 PoW scheme is version 1. |
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Bisq
What is Bisq?
Bisq is a safe, private and decentralized way to exchange bitcoin for national currencies and other digital assets. Bisq uses peer-to-peer networking and multi-signature escrow to facilitate trading without a third party. Bisq is non-custodial and incorporates a human arbitration system to resolve disputes.
To learn more, see the doc and video at https://bisq.network/intro.
Get started using Bisq
Follow the step-by-step instructions at https://bisq.network/get-started.
Contribute to Bisq
See CONTRIBUTING.md and the developer docs.