- Currency issuance: Bitcoin creates 12.5 new bitcoins every 10min (or 75/hr) while Ethereum creates 3 new ether every 15 seconds (or 720/hr).
- Currency cap: Bitcoin is limited to 21 million bitcoins, of which 16.7m have been created so far. Ethereum has no hard cap currently, but there are plans to reduce or stop issuance in a year or two. There are currently 96.4m ethers.
- Bitcoin creates a new block every 10 minutes (on average). Ethereum creates a new block every 15 seconds.