The nice thing about ACME is that it's a standardized protocol, so its really easy to configure most clients to use a different provider. All we need is a few m

The nice thing about ACME is that it's a standardized protocol, so its really easy to configure most clients to use a different provider. All we need is a few more CAs supporting the ACME protocol, and it'd be trivial to switch over to them if Let's Encrypt ever had a problem. (Come to think of it, automatic failover would be a pretty interesting feature to include in an ACME client.)