On November eighteen, Mercuryo announced the rollout of the Mastercard Crypto Credential to self-custody wallet users. This marks a major shift in how people send and receive digital assets.
Instead of copying long wallet addresses full of random characters, users can now rely on a verified username that works across chains. It feels familiar, almost like sending funds to a friend using an email address, and it aims to remove one of crypto’s biggest pain points.
A Simpler Way to Send Crypto
Anyone who has used crypto long enough knows the fear of sending funds to the wrong address. A single mistyped character can result in permanent loss. Mercuryo highlighted this problem clearly. Many users have felt the sinking moment of realizing a misplaced letter or missing digit sent their ETH or BTC into the void. With the Mastercard Crypto Credential, that scenario becomes far less likely.
Big news:@Mastercard chooses Polygon to launch username-based transfers for self-custody wallets, with @mercuryo_io. pic.twitter.com/p0aTlP7wdp
— Polygon (@0xPolygon) November 18, 2025
The system lets users create a single Username that links multiple wallet addresses across different blockchains. That Username becomes the way you send and receive crypto. It saves time on every transaction and reduces the stress of checking and rechecking long strings of numbers. Mastercard says the average user wastes several minutes per transfer verifying addresses, a statistic supported by industry studies that show address errors remain one of the most common causes of lost funds.
Sending crypto shouldn’t feel like defusing a bomb 💣
We’ve teamed up with @Mastercard 🔴🟡 and @0xPolygon to launch Crypto Credential, so you can send any token on any blockchain using just one username.
One name. All your wallets. Way less stress.https://t.co/gZJIpJWqU6 pic.twitter.com/mY57OPVUtS
— Mercuryo (@Mercuryo_io) November 18, 2025
The new system goes further. Every user who holds a Mastercard Crypto Credential goes through identity verification. This helps reduce fraud and ensures that both sides of a transfer are interacting with verified participants. When two Credential users transact, the system automatically checks chain compatibility and warns users if something is off before the transfer goes through. This protects people from sending assets to a chain that does not support the chosen token.
More About Polygon
Institutional-grade assets demand institutional-grade rails, and that is exactly what R25 Protocol aims to deliver with its launch on Polygon as its first and preferred EVM chain. The project introduces rcUSD+, a yield-bearing stable asset backed by a professionally managed portfolio of real-world assets, including money market funds and high-quality structured notes. Instead of sitting idle in a wallet like most stablecoins, rcUSD+ generates a steady yield while remaining transparent and institution-ready.
Institutional-grade assets need institutional-grade rails.
R25 Protocol has officially launched on Polygon as its first and preferred EVM chain, introducing its rcUSD+ yield-bearing token, backed by a professionally managed portfolio of RWAs.
TradFi yield, now flowing into… pic.twitter.com/9eeg1f5sb4
— Polygon (@0xPolygon) November 14, 2025
Polygon was chosen because institutional RWAs require more than basic infrastructure. They need deep liquidity, low transaction costs, and a chain already trusted by major players. By bringing secure, yield-generating instruments to Polygon, R25 unlocks new liquidity, new utility, and a stronger path for institutional adoption across DeFi ecosystems.
Disclaimer
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