Tac, a newly introduced Layer 1 blockchain compatible with the Ethereum Virtual Machine (EVM), has officially launched its mainnet with the goal of linking Telegram’s growing ecosystem of mini apps to the broader decentralized finance (DeFi) landscape. This milestone is expected to significantly expand the reach of Telegram-based blockchain applications by connecting them to Ethereum and other EVM-compatible networks.
Originally announced in July 2024, Tac has been developed to serve as a dedicated bridge between The Open Network (TON)—Telegram’s blockchain infrastructure—and Ethereum’s extensive dApp ecosystem. With this integration, the platform aims to support seamless interaction between Telegram’s native crypto apps and the wider DeFi space, potentially introducing millions of users to decentralized financial services.
The mainnet went live on July 15, signaling a critical advancement for the TON blockchain, the Telegram platform, and the mini app economy that has taken shape within the messaging service. Telegram has already seen significant success with blockchain-powered mini apps such as Hamster Kombat, Notcoin, and Catizen. These applications have garnered massive user engagement, bringing notable visibility to TON and demonstrating the viability of blockchain-based services within the Telegram ecosystem.
Until now, these apps have operated in relative isolation, disconnected from the broader decentralized finance market. While they have attracted large user bases, their utility has remained confined to Telegram’s ecosystem, without access to larger pools of liquidity or integration with widely-used dApps. Tac aims to change that by opening up Telegram’s mini app infrastructure to the full range of DeFi opportunities available across Ethereum-compatible networks.
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— TAC (🫰,✨️) (@TacBuild) July 15, 2025
By acting as a technological and financial bridge, Tac introduces a new dynamic where Telegram’s standalone blockchain environment becomes interoperable with major DeFi protocols. This change is likely to benefit both developers and users, allowing mini app creators to tap into a more diverse financial toolkit while enabling users to seamlessly move between Telegram-based applications and mainstream crypto platforms.
The broader implications of this development could be substantial. With Telegram’s large and active user base, the introduction of Tac could funnel millions of new users into the decentralized finance space. This not only expands DeFi’s potential reach but also strengthens TON’s position as a credible blockchain platform capable of supporting scalable and interoperable applications.
Tac’s launch reflects a growing interest in bridging isolated blockchain environments with established DeFi ecosystems. It demonstrates a strategic step toward unifying fragmented platforms into a more cohesive and accessible digital economy. As Tac begins to support integrations across Ethereum and other EVM networks, Telegram’s ecosystem could witness a surge in liquidity, functionality, and user engagement—paving the way for more dynamic and interconnected blockchain-based services.
