The Monetary Authority of Singapore (MAS) partnered with Polygon to issue “Purpose Bound Money” (”PBM”) which is digital, programmable money as part of a retail central bank digital currency (”CBDC”) experiment.
Whitepaper
The Banco Central do Brasil (BCB) launched the LIFT Challenge to evaluate potential use cases for a central bank digital currency. Polygon Labs, Aave, and Fireblocks developed a liquidity pool - gathering resources from savers - and to offer loans while ensuring that these operations comply with the rules of the Brazilian national financial system.