What is Mintlayer?
Mintlayer is a Bitcoin sidechain dedicated to tokenization of assets, such as stock tokens and stablecoins. Your Mintlayer wallet is also a Bitcoin wallet and you can use it to trustless swap of BTC for any token created on Mintlayer, even through Lightning Network.
ML is the governance token of the ecosystem: stake ML to earn network fees, or spend them to create smart contracts and issue new tokenized assets.