You might have heard the parable of the blind men and an elephant. It is a folk tale about each of six blind men's individual descriptions of the same elephant based on their own touch and feel of the animal. It highlights the fact that different perspectives may lead to distinct viewpoints, emphasizing the limits of perception and the importance of a complete context.

When Satoshi invented Bitcoin, the fundamental concept in its vision was to build a blockchain, a shared public ledger (longest proof-of-work (PoW) chain), that verifies and records immutably all transactions through a decentralized computer network (P2P network) and a consensus mechanism with computational proof. Satoshi came up with an elegant solution solving the double-spend problem of electronic monies. A double-spend is an attack when someone tries to spend money through...