The world’s largest asset manager is close to filing an application for a bitcoin exchange-traded fund, according to CoinDesk. 
BlackRock will use Coinbase (COIN) Custody for the ETF as well as Coinbase’s spot market data for pricing, a source told CoinDesk. 
It is not clear if the ETF will be one based on the spot or futures market — Blackrock did not respond to a request for comment from cryptonews. …
Read More: BlackRock Close to Filing an Application for a Bitcoin ETF: CoinDesk