[Citibank, PwC, and Solana Jointly Complete a Trade Finance Tokenization Proof of Concept] BlockBeats News, March 16, Citibank, PwC, and Solana have jointly completed a trade finance tokenization proof of concept (PoC) — allowing suppliers to issue tokenized payment certificates, which can be sold to banks at a discount for instant settlement instead of waiting for months. This marks another signal from traditional financial giants exploring real-world assets (RWA) on the Solana blockchain.