Why the integration matters commercially
Distribution, and nothing else.
Telegram has hundreds of millions of users. A wallet that already sits inside an app they open daily skips the step where most first-time crypto payments fail, which is not the payment itself but the setup preceding it.
For merchants selling to audiences concentrated on Telegram, which describes a large share of business across Eastern Europe, Central Asia and parts of the Middle East, this changes what is realistic to accept. The barrier stops being technical.
How it works
The custody arrangement
Two wallet options exist inside the messenger and they differ in the way that matters most.
The custodial wallet is operated by a third party. Recovery works through the service, and the keys are held on your behalf, with the counterparty risk that comes with any custodial arrangement.
The self-custody option generates keys on the device and produces a seed phrase that only the user holds. Nobody can restore access, and nobody can freeze the balance.
Which one you are using is worth checking rather than assuming, since the interfaces sit next to each other.
What it holds
Toncoin, USDT issued natively on TON, and other tokens on that network. Transfers cost around three tenths of a cent and confirm in seconds.
The constraint is the network boundary. USDT on TON is not USDT on TRON or Ethereum, and sending between them without a bridge loses the funds in the usual way. The address format gives it away: TON addresses typically begin UQ or EQ, which looks nothing like the formats used elsewhere.
How to set one up
Open the wallet section in the messenger, choose which of the two options you want, and follow the prompts.
The custodial route asks for little and is ready in under a minute. The self-custody route generates a seed phrase and asks you to write it down, and that step is the whole security model: the phrase restores the wallet anywhere and nobody else holds a copy.
Fund it by transferring from an exchange that supports TON withdrawals, or by receiving from another wallet. The checks worth running before a first transfer are covered in the entry on funding a wallet.
For a merchant
Accepting payments from Telegram wallets requires nothing special. A payment gateway supporting the TON network generates an address, the customer pays from inside the messenger, and settlement works exactly as it does for any other chain.
What is worth doing deliberately is enabling TON when your audience is there. The setup is covered in the guide to accepting crypto payments, and the decision comes down to the same question as every other network: what do your customers already hold.