According to TechFlow, on October 21, according to official news, Bitcoin liquidity re-staking and yield layer Echo Protocol completed the pre-seed round of financing, with participation from ABCDE, Maelstrom, The Spartan Group, Selini Capital, etc. Echo is the first Bitcoin liquidity re-staking and yield infrastructure layer based on MoveVM, aiming to introduce BTC liquidity and re-staking solutions into the Move ecosystem.