Almost all of cryptocurrencies have a limited quantity, rendering them an extremely scarce digital asset. As an instance, the maximum quantity of bitcoin that will ever be created is 21 million. The quantity of bitcoins generated per block is reduced by 50% every four years. This process is referred to as "halving." The final halving event will take place in the year 2140.

Officially authorized currency issued by the government. Some examples of currencies include US Dollars (USD), Euros (EUR), Yuan (CNY), and Yen (JPY).

With the increasing interest in utilizing public blockchains for various purposes, developers have started developing application-specific chains that are tailor-made and tailored to meet the specific requirements of their apps. These specialized chains are commonly referred to as appchains. An appchain is typically not a complete blockchain, but rather provides an optimal execution environment for an application, while depending on a foundational "Layer 1" blockchain for consensus. Occasionally known as "Layer 3" or "L3". Additionally, please refer to the concepts of "blockchain trilemma", "modular blockchain", and "Layer 2".

Real-World Assets (RWAs) are tangible assets that exist outside the digital spectrum, which can be tokenized and brought into the blockchain ecosystem. Tokenization of RWAs aims to enhance liquidity, transparency, and accessibility, enabling a broader range of individuals to engage with high-value assets.