Spanish Red Cross launched RedChain, a blockchain‑based aid system using ERC‑20 credits on Ethereum.
Developed with BLOOCK and Billions Network, it digitizes the aid lifecycle from donation to disbursement.
Beneficiaries receive mobile wallet credits, redeemable at merchants via QR codes.
Personal data stays offchain; the public blockchain stores only hashes, timestamps, and integrity proofs.
Donors can audit aggregated fund flows, but cannot link transactions to individual identities.
BLOOCK provides a “blockchain as a certification layer,” anchoring state changes to immutable proofs.
Billions Network supplies zero‑knowledge credentials, letting recipients prove eligibility without revealing identity.
