Merkle tree, and helper functions

Walk-through of a notebook written for Merkle Trees.

notebook: https://colab.research.google.com/drive/1fZa4_uen8JiRUW4PVE4l12Ctdni2t-Tg?usp=sharing repo: https://github.com/lacdael/notebooks

Gits: https://github.com/lacdael/ Books: https://www.poetry.me.uk/ NFTs: https://www.poetry.me.uk/blog/nfts/ XMR: 4AC99QFmCipcMnEwLNuRcB83DqZ3Y7AApEcvsocegkUT6XF8W3JyxiQVxw7acoiSBhE8NYUi5ppMihFoL7RnDaW8AHdeXx4 ... https://www.youtube.com/watch?v=2tCvcSQatY4