Enrich your dictionary with important cryptocurrency terms.


This relates to the miners that mine cryptocurrency. Halving is a reduction in the reward for using one block. An example is Bitcoin, for which halving takes place every 210,000 blocks.


Modifications or changes to any blockchains, and implementation of new rules incompatible with the previous protocol version. For example, a hard fork is to change the parameters of emerging blocks that have different parameters than previous ones. For example, when enlarging a block from 1 MB to 8 MB.


An offline electronic device that connects to a computer via USB. It is used to store Bitcoins or other cryptocurrencies. A hardware wallet is a physical device, not just software on your computer. Private keys are securely stored in the hardware wallet and separated from the Internet. The best-known hardware wallets are Trezor and Ledger.


A computer function that encrypts data - resulting in a combination of letters and numbers of a certain length.


The performance of a cryptocurrency mining device measured in the number of hashes per second.

HODL (Hold on for dear life)

A typo from the English word "hold" has become popular—it means long-term holding, i.e., if someone HOLDS a cryptocurrency, they want to own it for the long term and do not plan to trade it in the near term because they believe in growth in the long term. In English, the words "hold" and "hold" sound very similar, and perhaps because of this, this humorous typo has become an established term.