Coinbase, which holds 5% of all bitcoin, wants the quantum fix started now

What if someone builds a quantum computer fast enough to crack your bitcoin wallet's security and siphon off your coins? That's on everyone's mind, since some projections suggest that such a quantum machine, though it doesn't exist today, could arrive within a few years. Nasdaq-listed crypto exchange Coinbase COIN $181.88 · Market Closed , which holds about 5% of all bitcoin in existence today for its clients, including banks, asset managers and hedge funds, has shared its thoughts on that question in a new blog post , laying out what it believes bitcoin needs to do to stay secure against…