---
title: "The Spanish Red Cross launches RedChain, a blockchain-based aid system."
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/274670425.md"
description: "The Spanish Red Cross has introduced RedChain, a blockchain-based aid distribution system developed with BLOOCK and Billions Network. This system digitizes the entire aid process, utilizing ERC-20 tokens on the Ethereum blockchain to replace traditional paper vouchers and prepaid cards. Recipients can make payments using QR codes at participating merchants through mobile wallets. While recipient identity and case records are stored off-chain, the public blockchain is employed to verify transaction details, ensuring transparency and privacy in the management of donated funds."
datetime: "2026-02-03T14:01:00.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/274670425.md)
  - [en](https://longbridge.com/en/news/274670425.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/274670425.md)
---

# The Spanish Red Cross launches RedChain, a blockchain-based aid system.

The Spanish Red Cross has launched RedChain, a blockchain-based aid distribution system. Powered by BLOOCK and Billions Network, the system aims to manage the entire aid process, from donation to disbursement, digitally. RedChain uses ERC-20 tokens on the Ethereum blockchain to replace paper vouchers and prepaid cards, allowing recipients to pay using QR codes at participating merchants via mobile wallets. Recipients' identity information and case records are stored off-chain by the Spanish Red Cross; the public blockchain is used only to verify transaction hashes, timestamps, and integrity proofs, ensuring transparency in the flow of donated funds while protecting recipient privacy.

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