1) Monetisation 2) Proof 3) Substantiation 4) Validation 1) Monetisation 
Monetization is the process of converting or establishing something into legal tender. It usually refers to the coining of currency or the printing of banknotes by central banks. Things such as gold, diamonds and emeralds generally do have intrinsic value based on their rarity or quality and thus provide a premium not associated with fiat currency...
• (n.) The act or process of converting into money, or of adopting as money; as, the monetization of silver.
The securitization of the gross revenues of a contract.
A P.L. 480 provision added by the Food Security Act of 1985 that allows private voluntary organizati
Mon`e·ti·za'tion noun The act or process of converting into money, or of adopting as money; as, the monetization of silver. 
The way that a game earns money for its publisher. Some games are monetized through brick-and-mortar retail channels, some through direct online sales. Some are monetized through subscriptions, some through microtransactions (paid DLC).
[n] - establishing something (e.g. gold or silver) as the legal tender of a country
establishing something as the legal tender of a country