This one's not a bitcoin fork, ATOMICSWAP called it a token, which means it's an ethereum fork, not a bitcoin fork. this one doesn't even ride on the bitcoin blockchain.
PoW algorithm: SHA256
SHA256 is Bitcoin Fork, not Ethereum Fork
If this coin using ERC20 Token or Fully Ethereum fork, PoW Algo may be Ethash
Too much BTC fork since BCH succesfully, many many and many
or much people want free Money again and again ? ( 1:1 Fork )