Will it be possible to send the SIGt from Yobit to the swap bot?
They prefer you to send your coins from your local wallet, so I think you should not send from exchanges.
You need to register which address your coins are sent from, and you do not know which address they will be using if you are
sending your coins from an exchange.
Wrong. According to their swap mechanics:
1. User initiates SIGT swap by issuing direct-message to STAK-bot
2. STAK-bot generates new Signatum address and requests SIGT transfer from user
3. STAK-bot monitors address and waits for 15 confirmations
4. STAK-bot notifies user of completion of transfer
5. STAK-bot requests user STAK address for swap process.
6. User provides new STAK address for swap.
7. STAK-bot confirms user registration for swap.
8. End of STAK swap registration process
There is no need in registration of any of your sigt addresses. Bot will generate address for you and will wait for incoming transactions.