A crypto custodian is an entity responsible for holding and securing digital assets such as Bitcoin, Ethereum, and other cryptocurrencies on behalf of individuals or institutions.

A cryptocurrency is a digital currency issued on a blockchain that can be exchanged for goods and services like a normal currency.

Token is a broad term in blockchain technology and is used to refer to any transferable asset that is present on the blockchain.

Coins are native to their respective blockchains, while tokens operate on secondary blockchains, often leveraging smart contracts or bridging mechanisms to facilitate their transfer and usage.

The Dencun Upgrade was an Ethereum scalability solution that improved transaction speeds on its blockchain via a rollup feature called "blobs"

Blobs are temporary storage spaces in Ethereum blocks that store roll-up summaries (hashes)

Blockchain Trilemma was a trade-off where you could only choose two among the three: SCALABILITY, SECURITY, and DECENTRALIZATION

Algorithms are sets of instructions created to perform specific tasks.