西班牙红十字会推出了RedChain，这是一个利用以太坊和零知识证明实现私密、可验证捐赠和安全数字支付的区块链援助系统。 Spain’s Red Cross launches RedChain, a blockchain aid system using Ethereum and zero-knowledge proofs for private, verifiable donations and secure digital payments.

西班牙红十字会利用Etheum和零知识证明,推出了一个基于连锁援助系统的 " 红心 " 组织,使私人、可核查的捐款和数字支付成为可能。 The Spanish Red Cross has launched RedChain, a blockchain-based aid system using Ethereum and zero-knowledge proofs to enable private, verifiable donations and digital payments. 接受者在移动钱包中获得ERC-20信贷,可通过QR码在当地商人处使用,个人数据不连锁保存。 Recipients receive ERC-20 credits in mobile wallets, spendable at local merchants via QR codes, with personal data kept off-chain. 只有加密的散列物和时间戳记录在链条上,以确保透明度,而不暴露身份。 Only cryptographic hashes and timestamps are recorded on the blockchain, ensuring transparency without exposing identities. 该系统利用分散化的身份核查和隐私保留证书来确认资格,同时防止污名化,提供替代传统援助方法的安全、问责的替代办法。 The system uses decentralized identity verification and privacy-preserving credentials to confirm eligibility while preventing stigma, offering a secure, accountable alternative to traditional aid methods.