In a recent Blockchain news update, Mastercard that it expanded its Crypto Credential identity service to self-custody wallets, selecting Polygon crypto as the first blockchain to support the rollout. The card network partnered with Mercuryo to introduce verified, username-based transfers. Users replace long wallet addresses with simple aliases while maintaining full control of their funds. [...]The post Blockchain News: Payment Firms Pick Polygon as Competition Intensifies appeared first on The Coin Republic.