[cbhl]

If Coinbase gets sufficiently mainstream, I suspect it will mitigate a lot of this.

A transfer of BTC between two Coinbase users can happen off-chain, which means skipping the work necessary to mine a block including the given transaction.

[hctaw]

Doesn't that defeat the entire purpose of cryptocurrency

[Hallucinaut]

Which then negates the espoused benefits of Bitcoin, no?

[lysecret]

So..... a bank?