noun | jen·uh·sis blok
The Genesis Block is like the Big Bang of a blockchain - it's the very first block that started it all. It's the block that all other blocks are built on top of, and it's usually mined by the creator of the blockchain.
Example
"Satoshi mined the BitcoinGenesis Block way back in 2009, and now it's worth billions of dollars. Talk about a solid investment - dude probably bought like 10,000 pizzas with that block alone."
"Every shitcoin and its mother has a Genesis Block these days - it's like the participation trophy of the crypto world. Congrats, you made a blockchain - now what?"