Blockchain: The technology that underlies cryptocurrencies, blockchain is a decentralized and distributed ledger that records transactions across a network of computers. It ensures transparency, security, and immutability of data.  

Bull Market: A bull market is a financial market characterized by rising prices. In the context of cryptocurrencies, a bull market indicates a sustained increase in the prices of various digital assets. 

Bear Market: A financial market characterized by falling prices, pessimism, and negative investor sentiment. 

Bagholder: This term is used to describe an investor who is holding onto a cryptocurrency that has lost a significant portion of its value and is unlikely to recover. Bagholders are often stuck with assets that have depreciated in value. 

Burn: In the context of cryptocurrencies, "burn" refers to the intentional and permanent removal of a certain quantity of a cryptocurrency's tokens or coins from circulation. This process is typically executed by sending the tokens to an address from which they cannot be spent or accessed, effectively taking them out of circulation. 

Bounty: A reward offered by a project or platform for completing specific tasks or contributing to the development or promotion of the project.