ChainCatcher news, according to Coindesk, Dutch bank ABN AMRO and German regulatory platform 21X have completed a joint proof of concept (PoC) on the Polygon Amoy testnet, enabling the listing of trading pairs between tokenized assets and electronic money tokens. By deploying 21X's on-chain order book smart contract, both parties can complete transactions of tokenized cash and tokenized assets in a single trade.It is worth noting that as a company dedicated to building a blockchain securities exchange, 21X received approval from the German financial regulator BaFin in December 2023.