Coinspeaker Coinbase Participates in $4.3 Million Funding Round of Crypto Derivatives Platform BladeCrypto derivatives platform Blade will allow users to trade its perpetual swap contracts in Bitcoin and altcoins with up to 150x leverage. Coinbase, as well as other giants, took part in this funding round.Coinbase Participates in $4.3 Million Funding Round of Crypto Derivatives Platform Blade