BM-1730: Integrate Blake3 Groth16 compression type #1234
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🚀 Documentation Preview Deployment URL: https://boundless-documentation-fp8k4gect-boundless-network.vercel.app Updated at: 2025-11-25 16:05:08 UTC |
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why the change? Was it for testing?
Co-authored-by: Angelo Capossele <[email protected]>
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Exposes `seal_to_json` for groth16 for #1234
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Allows for requesting and proving of Blake3 Groth16.
Under the current Groth16 compression, there are 5 public outputs which when SHA2 hashed gives the claim digest.
This new compression type introduces a new claim digest, which is the BLAKE3 hash instead.
This new claim_digest cannot be calculated on-chain, which means that proof requests for this BLAKE3 hash cannot be fulfilled with (image_id, journal). What this means is requests with Blake3 compression need to use the ClaimDigestMatch predicate.
NOTE: This compression only works for guest programs what have journal size of 32 bytes.
Example of usage here: https://github.com/ec2/boundless_blake3_example
This project currently forks 2 repos:
risc0: https://github.com/boundless-xyz/risc0/tree/ec2/v3.0.3-backport-3370
risc0-ethereum: https://github.com/ec2/risc0-ethereum/tree/ec2/bitvm2-release-3.0.1
TODO:
[] Clean up changes made to risc0-ethereum
[x] Rename shrink_bitvm2 -> blake3 groth16 everywhere