Altcoin News Mastercard taps Polygon to turn clunky crypto addresses into simple usernames November 18, 2025 Mastercard is rolling out verified, human-readable crypto aliases to self-custody wallets, using Polygon for onchain support and Mercuryo for identity verification. Post Navigation Previous Libra token-linked wallets pull $4M and bet big on SolanaNext Mt. Gox moves $953M Bitcoin after 8 months, sparking market worries More Stories Altcoin News SpaceX IPO update: Whale opens $22.3M SPCX long as synthetic price hits 30% premium Juni 12, 2026 Altcoin News Three signs that XRP price risks falling below $1 in June Juni 11, 2026 Altcoin News Audiera’s AI token BEAT beats Bitcoin, Ethereum as price surges 1,500% in a month Juni 11, 2026