Speed has always been blockchain’s Achilles’ heel. But TON just took a massive swing at fixing that.
Pavel Durov, the founder of Telegram, announced on April 9 that the TON blockchain is now ten times faster after a significant technical upgrade. Transactions that used to take over five seconds to confirm now settle in under one second. That might sound like a small jump. In blockchain terms, it’s enormous.
Catchain 2.0 Powers the Sub-Second Speed Jump
The magic behind the improvement is a new consensus mechanism called Catchain 2.0. It’s the engine running beneath everything else on TON, and it got a serious rebuild.
Blocks now generate every 400 milliseconds. Before the upgrade, that number was about 2.4 seconds. So block production is now six times faster on its own. Plus, a new streaming layer pushes updates to apps almost instantly instead of making them wait for the next block to confirm.
For regular users, the experience flips completely. Payments go through in roughly one second. Trades execute in real time. Apps respond the moment you tap. The sluggishness that made blockchain feel clunky compared to regular apps? Largely gone.
“The TON blockchain just got upgraded and is now 10× faster,” Durov wrote. “Transactions are now instant, subsecond.”
Step One of the Make TON Great Again Roadmap
Durov didn’t frame this as a one-off improvement. Instead, he positioned it as the first step in a seven-part plan he’s calling “Make TON Great Again,” or MTONGA.
The name playfully echoes a certain political slogan, but the goals are purely technical. Durov wants TON fast enough and cheap enough to compete directly with centralized platforms, not just other blockchains.
Step two of the roadmap is already confirmed: cutting transaction fees by six times. TON fees are already low compared to Ethereum or Solana. But further reductions would make micropayments and high-frequency applications far more practical. Think tipping, in-game purchases, or tiny DeFi transactions that would cost more in fees than they’re worth on other networks.
The remaining five steps in MTONGA don’t have public timelines yet. Durov confirmed step two is coming but hasn’t detailed the full sequence beyond that.
Why Sub-Second Finality Changes Everything for Telegram’s Billion Users
Here’s the bigger picture worth understanding. Durov built TON specifically to work inside Telegram, which has over one billion users worldwide. His vision is ambitious: payments that feel as easy as sending a message, Mini Apps that respond instantly, and decentralized finance tools that match the speed of centralized exchanges.
At five-second confirmation times, that vision was frustratingly out of reach. Imagine clicking “pay” in a chat and waiting five seconds for it to work. Nobody accepts that from a normal app.
At sub-second finality, the experience finally matches what people expect from any other app on their phone. The infrastructure catches up to the vision.
What Developers Need to Do Right Now
The upgrade went live on the TON mainnet on April 10, 2026. That’s the good news. The catch is that the blockchain being faster doesn’t automatically make every app faster.
Developers building on TON need to update their applications to use streaming APIs instead of polling. Polling means an app keeps asking the blockchain “anything new yet?” on a set schedule. Streaming means the blockchain pushes updates to the app the moment something happens.
It’s a meaningful difference. Polling was fine when blocks took seconds to confirm. With 400-millisecond block times, polling creates unnecessary delays and wastes resources. Streaming is the right approach now, and the TON team is pushing developers to make the switch.
For end users, the practical advice is simple: watch for app updates over the coming weeks. The underlying network is already running at full speed. Individual apps will start reflecting that speed as their developers ship updates.
A Blockchain Finally Built for Mass Use
What makes this upgrade genuinely interesting isn’t just the raw speed numbers. It’s what those numbers enable at scale. TON was always designed for everyday people using Telegram, not crypto enthusiasts hunting for yield. Sub-second transactions finally make that everyday use case feel seamless rather than tolerable.
Whether the remaining six MTONGA steps arrive quickly or slowly will matter a lot for TON’s longer-term momentum. But step one already delivers something real and measurable. A blockchain that moves at the speed of a conversation is a very different product than one that makes you wait. Durov and the TON team clearly understand which version people will actually use.