Hard forks in the crypto world are nothing new. But when it comes to Ethereum, it is a very big deal. Recently because of Byzantium hard fork, there was a lot of confusion about the security of Ethereum coins.
Folks don’t worry as there were 5 other hard forks happened in the Ethereum’s life journey.
Here top 18 Ethereum hard forks facts –
Ice Age
1. Block no. = 200,000
2. Time: August-21-2015
3. Purpose – To increase the difficulty
Homestead
4. Block no. = 1,150,000
5. Date: Mar-14-2016 06:49:53 PM +UTC
6. Purpose: EVM update, devp2p forward compatibility
DAO
7. Block no. = 1,920,000
8. Date: Jul-20-2016 01:20:40 PM +UTC
9. Purpose: returning all the Ether taken from the DAO
Tangerine Whistle
10. Block no. = 2,463,000
11. Date: Oct-18-2016 01:19:31 PM +UTC
12. Purpose: Long term gas cost change
Spurious Dragon
13. Block no. = 2,675,000
14. Date: Nov-22-2016 04:15:44 PM +UTC
15. Purpose: Clean up empty accounts, changes in maximum code size
Byzantium
16. Block no. = 4,370,000
17. Date: Oct-12-2017
18. Purpose: Error handling without consuming too much gas, to enable RSA signature verification, permitting ZK-Snarks