The Spanish Red Cross has launched a blockchain-based initiative called RedChain to modernize humanitarian aid distribution. The system uses decentralized ledger technology to enhance privacy, efficiency, and transparency. It employs zero-knowledge proofs and decentralized identifiers, allowing recipients to prove eligibility without exposing sensitive personal data, thereby safeguarding autonomy and complying with strict data protection regulations.
The Spanish Red Cross has launched RedChain, a decentralized ledger technology designed to modernize humanitarian operations. This system prioritizes recipient privacy while aiming to improve the efficiency and transparency of aid distribution.
Traditional aid distribution often relies on centralized databases prone to data exposure. RedChain provides a decentralized, privacy-focused identity solution using advanced cryptographic techniques.
At its core, the technology utilizes zero-knowledge proofs for verifying user attributes without leaking sensitive information. It also employs decentralized identifiers, enabling individuals to control how their personal data is revealed.
The system allows for selective disclosure, letting aid organizations access only the information required for specific activities. A recipient can prove they meet eligibility criteria, such as being from a low-income household, without divulging their exact identity or address.
RedChain is currently being rolled out in pilot programs within Spain. The Spanish Red Cross is using it for resource allocation, identity verification, and aid reporting during these initial tests.
Key operational goals include removing administrative friction and eliminating duplicate records. The system also aims to build trust by empowering individuals with their data and enhancing the auditability of funds.
Humanitarian situations frequently require the collection of extremely sensitive personal information. In traditional systems, this data is prone to breaches, unauthorized sharing, or potential exploitation.
RedChain is designed to mitigate these risks through its cryptographic privacy tools. The use of zero-knowledge proofs helps organizations comply with strict data protection regulations like the GDPR.

