How can you obtain a v3r2 address from a v4r2 address of a wallet in the TON network? -- > This question was imported from Telegram Chat: https://t.me/tondev...

Why there is always only one shard in masterchain for any seqno? For example: https://toncenter.com/api/v2/getMasterchainInfo gives seqno 19586270 then https...

Sometimes I encounter "out of gas" error, and it's hard to predict. Are there any best practices on how to deal with that and make sure in advance the code w...

I know there is an unofficial Python library "TON Fragment". Are there any other libraries or an official API to interact with fragment.com programmatically?...

In general-purpose languages there often is some form of try. Is there anything like that in FunC I could use to validate data in msg_body? > This question w...

What the best way to get all NFTs an address owns? --- > This question was imported from Telegram Chat: https://t.me/tondev_eng/8851

In the NFT world usually only a link to the image is stored on-chain, and the image file itself is stored somewhere else. It can possibly lead to "link rot" ...

What happens if we verify the source code in the explorer, but the contract's code gets updated using set_code() instruction? Does the verified source code d...

It's known that smart contracts on TON have to pay storage fee, it is deducted during each transaction. And if a contract doesn't have any transactions for a...

I've came to TON ecosystem from Ethereum, and I have Ethereum testnet coins. I know there is Ethereum-TON bridge for mainnet coins. Is there something like t...

Minting NFTs can be done in a randomized way. Are there random minters in the TON ecosystem with an open source code? --- > This question was imported from T...

Is there a way to get the current TON coin price with the TON API? --- > This question was imported from Telegram Chat: https://t.me/tondev_eng/27900

Some programming languages have built-in functions like is_int() helping to check quickly if a specific variable is of type integer or not. Is there somethin...

One of the core on-ramps for TON is the Oracle bridge from BSC and Ethereum. Is this an open source solution? Where is the code located? --- > This question ...

I've created a new wallet. It looks ready to use, but explorers like Tonscan say its state is "inactive". What exactly does it mean? How should I make it act...

TON wallets are smart contracts that need to be deployed on-chain. But if someone does not deploy their wallet contract, their wallet is unininitialized. Wha...

How do you generate the public address of TON wallet from the seed phrase? --- > This question was imported from Telegram Chat: https://t.me/tondev_eng/9723

Can I calculate the exact fee for a certain transaction? How to do it? --- > This question was imported from Telegram Chat: https://t.me/tondev/122981

I'm trying to do a simple TON -> USDT swap on STON.fi. It seems to be more difficult than anticipated. See below for function. Any advise will be appreciated...

Please help me. I sent My ton wallet to OKX . But, I sent wrong memo/comment number. How can restore my TON coins that I sent to OKX the wrong comment number?