Blade, a cryptocurrency derivatives exchange launching in three weeks, raises $4.3M seed funding from investors including Coinbase and SV Angel (Lucas Matney/TechCrunch)

Lucas Matney / TechCrunch:
Blade, a cryptocurrency derivatives exchange launching in three weeks, raises $4.3M seed funding from investors including Coinbase and SV Angel  —  Exchanges like Coinbase have ballooned in size by taking the mechanics of equity markets and fitting them to cryptocurrency markets …