Cryptocurrency is a type of virtual currency that uses cryptography to secure transactions that are digitally recorded on a distributed ledger, such as a blockchain. A transaction involving cryptocurrency that is recorded on a distributed ledger is referred to as an “on-chain” transaction; a transaction that is not recorded on the distributed ledger is referred to as an “off-chain” transaction.

No. Blockchain is the technology that allows for cryptocurrencies to work. It is a decentralized and digital ledger of transactions used for cryptocurrencies and other assets/functions. It is important to separate the technology behind cryptocurrencies from the actual cryptocurrencies.

Crypto can be classified into different categories, like DeFi, NFT, utility tokens, store of value tokens like bitcoin and litecoin, and yield farming tokens like Aave.

The competitive process that verifies and adds new transactions to the blockchain for a cryptocurrency that uses the proof-of-work (PoW) method. The miner that wins the competition is rewarded with some amount of the currency and/or transaction fees.

Crypto wallets are accounts where traders/investors can store their cryptocurrencies more securely than exchanges. Investors and traders can hold their wallets through an exchange wallet, custody wallet, or outside the exchange. There are different types of wallets like hot, cold, and hybrid, which crypto novices and experts chose according to their own preference.