ChainCatcher news, the non-custodial Bitcoin trading platform Flashnet announced the completion of a $4.5 million seed round financing, led by Abstract VC, with participation from UTXO Management, Soma Capital, HFØ, Chapter One, Accomplice, and others. It is reported that the new funds will be used to support the platform in building trading features based on the Lightning Network and UTXO, and to integrate with Bitcoin wallets.