Tether Unveils Open-Source Wallet Development Kit for Cross-Platform Use

Key Points:* Main event, leadership changes, market impact, financial shifts, or expert insights.

• Enables developers to create non-custodial wallets.
• Supports Ethereum, Bitcoin, TON, and more. Tether CEO Paolo Ardoino announced the open-source release of the Wallet Development Kit (WDK) this week, including starter wallets for iOS and Android, enhancing digital asset wallet development.

This release could reshape self-custody landscapes, facilitating secure, cross-platform wallet creation and increasing USDT, Bitcoin, and Ethereum adoption across DeFi and enterprise integrations.

Tether’s Open-Source WDK Boosts Cross-Platform Wallet Creation

Tether’s Wallet Development Kit (WDK) has been made open-source, providing developers with the tools to create secure, cross-platform digital wallets. The WDK supports multiple networks, including Bitcoin, Ethereum, and TON. This launch represents a significant move by Tether in enhancing self-custody practices and fostering wallet infrastructure.

The open-source nature of the WDK is set to encourage developer adoption, particularly among enterprises such as exchanges and DeFi protocols. The integrated support for major cryptocurrencies like USDT, BTC, and ETH can drive further wallet usage. By enabling non-custodial wallet solutions, the WDK is positioned to enhance security measures across the board.

“We are releasing Tether’s Wallet Development Kit (WDK) open-source this week—enabling trillions of self-custodial wallets.” – Paolo Ardoino, CEO, Tether

Tether WDK: A New Era in Multi-Chain Digital Assets

Did you know? Tether’s open-source WDK expands upon past solutions like MetaMask and Coinbase SDKs, which significantly boosted DeFi and wallet adoption. This release anticipates similar impacts across multi-chain ecosystems and self-custody practices.

According to CoinMarketCap, Tether (USDT) maintains its value at $1.00 with a market cap of $179.94 billion, holding a market dominance of 4.75%. The 24-hour trading volume fell by 9.47% to $202.95 billion. Recent USDT price changes register at 3.91% over 24-hours and a 7.43% increase over 30 days.

Tether USDt(USDT), daily chart, screenshot on CoinMarketCap at 08:55 UTC on October 14, 2025. Source: CoinMarketCap Insights from the Coincu research team suggest that the WDK’s security and multi-chain capabilities may enhance DeFi participation. The release’s modular and open-source approach may influence future wallet development across cryptocurrencies, further enhancing USDT’s market role.