Tokens will be issued in the same way as they are on Liquid, in fact the initial version of Sequentia that will be launched in a few months will be almost identical to Liquid in every way except that:
  • You can propose transaction fees using any token issued on Sequentia, it doesn't need to be a specific pegged Bitcoin like L-BTC, and it can actually be any other token, such as USDT
  • Unlike Liquid or other existing sidechains, Sequentia will support making p2p swaps with real BTC (on the mainchain or on LN) in real-time, so you won't necessarily need to ever have any kind of representation of BTC on the sidechain.
Also, if you check out the Sequentia signet walkthrough it will guide you on issuing an asset on Sequentia, paying tx fees using it, issuing a second asset and transferring asset 1 with fees paid in asset 2, and even using RBF to change the proposed tx fee asset in an unconfirmed transaction.
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