Proof-gated private invoice settlement on Stellar

InvoiceVeil lets a business register public invoice bounds, keep the exact amount private, and settle only when a Groth16 proof confirms the hidden amount falls inside the agreed range.

Built on Stellar, the open network for payments and tokenized assets, with logic running on Soroban smart contracts.

• Proof-gated settlement — settle_invoice cannot succeed unless the Groth16 verifier passes
• Private amounts — the exact value and its salt stay off-chain; only bounds, commitment, and status are public
• Native BN254 verification — proofs are checked by a Soroban contract using Stellar's host functions

Code: https://github.com/invoiceveil-lab/invoiceveil

Stellar: https://stellar.org · Docs: https://developers.stellar.org

Soroban · Rust · Circom · Groth16 · BN254 · React · Stellar · Soroban