Corruption is the completely normal default state of humanity that requires no explanation whatsoever. The vast majority of countries are crippled by corruption to varying degrees. Trustless and decentralized consensus technology is the only thing that I can think of that can function as a basis for efficient and honest society-wide collaboration in most countries of the world. The key is things like smart contracts and decentralized consensus where honesty is enforced at the protocol level. Old-style centralized institutions run by individual humans are somewhat capable of fulfilling their role only in a small minority of countries. In most countries, they are a cruel joke.