Gem Wallet Adds Cross-Chain USDT Support with Integrated Swaps, Bridges, and Scam Protection
San Francisco, United States, December 21st, 2025, ChainwireSelf-Custody Wallet Eliminates Cross-Chain USDT Friction with Integrated Swaps, Bridges, and Anti-Scam ProtectionGem Wallet, a fully open-source self-custody wallet, today announced a comprehensive USDT infrastructure spanning 10+ blockchains, addressing the fragmented stablecoin experience that has plagued crypto users. With USDT now exceeding $140B in market capitalization, users face mounting challenges moving value across Tron (TRC20), Ethereum (ERC20), Solana, BNB Chain, TON, and other networks.The Challenge: Cross-Chain USDT Functionality Remains FragmentedDespite USDT's ubiquity, sending stablecoins across chains remains costly, complex, and increasingly dangerous. Users must navigate:Multiple wrapped versions of USDT across different chainsHigh gas fees on Ethereum (ERC20) vs. cheaper alternatives like Tron (TRC20)Growing address poisoning attacks targeting USDT holdersFragmented bridge and swap solutionsComplex fiat on/off-ramps with limited geographic coverageThe Solution: Unified USDT InfrastructureGem Wallet consolidates the entire USDT lifecycle into a single self-custody interface:Security-First ApproachAddress poisoning protection automatically flags suspicious transactionsFully open-source codebase for complete transparency (https://github.com/gemwalletcom/)Biometric authentication on mobile devicesUser-controlled private keys (true self-custody)True Multi-Chain USDT SupportNative support across 10+ blockchains including Tron, Ethereum, Solana, BNB Chain, and TONSmart asset search automatically locates USDT balances across all supported chainsUnified interface eliminates chain-switching complexityCost-Optimized Transfers & TradingIntegration with 10+ decentralized swap providers (THORChain, Near Intents, Uniswap, Across Protocol)User-controlled network fee settingsAutomatic routing to lowest-cost swap optionsUSDT bridging with transparent fee comparisonGlobal Fiat AccessSeamless on/off-ramp through MoonPay, Paybis, and Transak120+ countries supported30+ payment methods including Apple Pay and Google PayDirect USDT purchases without intermediate stepsWhy This Matters Now"USDT has become the backbone of crypto liquidity, but users are forced to become chain experts just to move their stablecoins," said Max Costa, Chief Marketing Officer at Gem Wallet. "We're seeing hundreds of millions lost to address poisoning attacks, while users pay unnecessary fees bouncing between bridges and exchanges. Gem Wallet brings enterprise-grade USDT management to everyday users while maintaining complete self-custody."The address poisoning protection alone addresses a threat that has cost users over $100M in 2024, with attackers sending small amounts from similar-looking addresses to poison transaction histories.AvailabilityGem Wallet is available now for download:iOS: https://apps.apple.com/app/apple-store/id6448712670?mt=8Android: https://play.google.com/store/apps/details?id=com.gemwallet.androidWeb: https://gemwallet.comAbout Gem WalletGem Wallet is a fully open-source, self-custody multi-chain wallet focused on providing secure, cost-effective access to decentralized finance. Built with a security-first philosophy, Gem Wallet eliminates centralized control while delivering an intuitive user experience across 10+ blockchains. The entire codebase is publicly available at https://github.com/gemwalletcom/. Users can learn more at https://gemwallet.com/about/Key Messaging Points for Follow-UpSecurity First: Multi-layered protection including open-source transparency, self-custody architecture, and built-in scam detectionTrue Multi-Chain: 10+ blockchains with unified UXCost Optimization: User-controlled fees + best route selectionFully Open Source: Complete transparency with public codebase (https://github.com/gemwalletcom/)Self-Custody: Non-custodial, biometric security, user-controlled keysGlobal Reach: 120+ countries, 30+ payment methodsMedia AnglesUX Innovation: "How One App Solved Crypto's Cross-Chain USDT Problem"DeFi Infrastructure: "Multi-Chain Wallet Integrates 10+ DEX Protocols"Regulatory/Self-Custody: "Post-FTX Era Drives Self-Custody Wallet Innovation" ContactCMOMax CostaGem [email protected]