This written introduction defines a blockchain as having a single but distributed ledger, a consensus algorithm for agreeing on what to add to the ledger and a cryptocurrency to incentivise bookkeeping.
The blockchain is the record of transactions. That could be a record of the cryptocurrency of the blockchain network, but it can be a record of other transactions or digital assets too! Cardano is the blockchain, ADA is the currency. Some people refer to Bitcoin (capital B) as the blockchain and bitcoin (small b) for the cryptocurrency.
This 3-minute video explains blockchain using the rai stones used by the people of Yap Island. These stones and the distributed mental ledger all islanders kept represented value similar to how blockchain represents value.
not requiring an intermediary and the ownership being trusted by all parties involved, the system is secure.
Distributed Ledgers in Yap Island | Blockchain: Understanding Its Uses & Implications | edX Series
Bitcoin, blockchains, and the future of money
What is blockchain? Animated video
Explains what a blockchain is in very basic terms using simple examples and analogies. A Blockchain is a record of data that is stored on a network using cryptographic hashes. Bitcoin example.
What is a Blockchain? (Animated + Examples)
A crypto wallet is a tool that you can use to interact with a blockchain network. There are various crypto wallet types that can be divided into three groups: software, hardware, and paper wallets. Depending on their working mechanisms, they may also be referred to as hot or cold wallets.