Spanish Red Cross Launches Revolutionary Blockchain Platform for Charity

zkProofInThePudding · 2026-02-13T20:11:42+00:00

The Spanish Red Cross has launched the RedChain project, a blockchain-based system that digitalizes charitable donations. It uses ERC-20 tokens to replace traditional vouchers, allowing beneficiaries to make secure purchases via mobile wallets, enhancing both convenience and data security. This hybrid approach balances transparency in tracking donations with privacy protection, showcasing how humanitarian organizations can effectively use blockchain technology.

zkProofInThePudding

2026-02-13 20:11:42

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The Spanish Red Cross has implemented an innovative approach to digitalizing charitable aid by creating the RedChain system based on blockchain technology. Supported by BLOOCK and Billions Network, the project completely transforms the donation distribution process, turning it into a digital ecosystem.

How the technology works: from tokens to payments

The core of the system consists of ERC-20 tokens on the Ethereum blockchain, which have fully replaced traditional paper vouchers and prepaid cards. Beneficiaries can now make purchases from partner merchants through mobile wallets, using QR codes for quick and secure payments. This solution not only simplified the process but also provided each recipient with a convenient tool to access aid.

The system architecture is carefully designed with data security in mind. Sensitive information about recipients’ identities and their interaction history with the organization is stored in a protected off-chain system controlled by the Spanish Red Cross itself. The Ethereum blockchain is used solely for verifying integrity — it records transaction hashes, timestamps, and cryptographic proofs of record authenticity.

Transparency and privacy: two pillars of trust

This hybrid approach creates an optimal balance between two critically important requirements. On one hand, the public has full transparency in tracking the flow of charitable funds — anyone can verify that donations have indeed reached the target audience. On the other hand, recipients’ privacy is protected at the highest level through data separation between the blockchain and a centralized database.

This innovation demonstrates how humanitarian organizations can effectively integrate blockchain technologies to address real social issues without compromising the protection of vulnerable populations.

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