Blockchain won't replace existing institutions. It can strengthen current systems by introducing transparent and programmable trust mechanisms.

The Byzantine general's problem is solved by miners who are similar to generals in Satoshi's version of the blockchain. Bitcoin used a proof-of-work (PoW) approach to address the Byzantine generals ...

The global economy depends on supply chains. Everything people buy, from the food they eat to the clothes they wear, has to travel a long way before it gets to them. The problem is that many outdated ...