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Learn how to choose a crypto wallet for beginners by comparing security, ease of use, supported coins, and hot vs cold storage.

Bitcoin Days Destroyed is a network activity metric that takes into account not only the volume of coins moved but also the time they spent idle. It helps assess the movement of "old" coins.

Simplified Payment Verification (SPV) is a method of verifying transactions on a blockchain without downloading the entire chain of blocks. Block headers are enough, which makes the technology the foundation of lightweight crypto wallets.

The flippening is a hypothetical moment when Ethereum overtakes bitcoin in market capitalization and becomes the number one cryptocurrency. The reverse scenario is jokingly called the floppening.

A satoshi is the smallest unit of bitcoin, equal to one hundred-millionth of a coin. Fractional units make it possible to make very small payments and to specify amounts precisely.

Satoshi Nakamoto is the name under which bitcoin and its technical document were introduced. To this day it is unknown whether a single person or a group stands behind this pseudonym.

SegWit is an update to the bitcoin protocol that moves signature data outside the main part of the block, increasing its efficiency and helping to address scalability issues.

Silk Road was an underground online marketplace shut down by the authorities, which accepted payment in bitcoins and had a notable impact on the early fame of cryptocurrency.

A confirmation is the inclusion of a transaction in a block of the blockchain and the fixing of its validity. The more confirmations a transfer gathers, the more reliably it is considered irreversible.

Bitcoin's public ledger is a publicly accessible record of all the network's transactions since its launch. Any participant can verify operations, which ensures the transparency of the blockchain.