How many times have you come across this occurrence where the developer of a coin tells you to update wallets before a specific block height? Whether there is a minor update or there is a hard fork about to happen in the network; the development team first announces the block height at which the implementation will take place. If you are new you might be wondering what is block height and why it matters? In short block height is a numeric reference given to a block and all blocks in blockchain are addressed by their block height. Before we explain this in detail lets first see what are blocks.
Blocks in blockchain
We all know that Bitcoin is based on Blockchain. Not only Bitcoin; but Ethereum,