Our dictionary

A paper wallet is a cold storage method of cryptocurrency saving. The user prints his public and private keys on paper, which he then stores and saves in a secure place. Specially generated QR code serves as a key that can be scanned for all future transactions. This method gives complete control to the wallet user.

It is an arbitrary transaction attachment that consists of 32 bytes (64 hexadecimal characters) or 8 bytes (in the case of integrated addresses). It is used to identify XMR transactions to merchants and exchangers.

The term "pre-mining" is used regarding the cases when all the coins have already been mined before the public coin announcement. These cryptocurrencies are different from Bitcoin: it is being distributed along with the mining process. Pre-mined cryptocurrencies are a vast source of discord in the community.

A good example of a pre-mined coin would be Ripple (XRP). It was created for a centralized payment system that creates a cost-effective and quick way to send and receive funds with bank cooperation. The majority of XRP is still owned by Ripple and is closely controlled.

The price bubble is a slang term used to describe a situation of an asset's rapid increase in price over a short period of time without any rational value support of the process. 

The ability to keep all the data about transactions and operations to the parties involved without non-authorized access by third parties. 

A cryptographic code that allows a user to access crypto money on his or her wallet. A private key is an integral aspect of bitcoin and altcoins. Like the other types of electronic keys, it protects user's funds from theft and unauthorized access.

One of several consensus mechanism algorithms used within a blockchain network. Proof-of-burn makes sure that all nodes participating in the process can come to a unanimous conclusion about the valid state of the blockchain network. This algorithm is used to exclude the possibility of double spending cryptocurrency coins.

Proof of Existence is an online service used to verify the existence of files as of a specific moment via transactions with time stamps incorporated to the blockchain. It was introduced back in 2013 on an open source basis.

Proof of stake (PoS) is a subtype of consensus algorithm used by a cryptocurrency blockchain network to achieve distributed consensus. In such networks, the creator of each next block is chosen via various combinations of randomly selected parameters (wealth or age).

A proof-of-work (also PoW) protocol is a mechanism of consensus. Its main function is deterring DOS attacks and other various service abuses, including spam letters, on a network by requiring a certain amount of work from the service requester, usually meaning processing time by a computer.

A public key is a cryptographic code that makes possible receiving cryptocurrencies into an account. The public key, along with the private key, is a main tool of private security used in the cryptocurrency sphere.

Prices on cryptocurrencies and how they change with time.

Also called "seed phrase," "seed recovery phrase," or "backup seed phrase," this list of words stores all the necessary information used to recover Bitcoin funds on-chain. The seed phrase is often intended to be written down on paper, and wallet software that generates it will instruct the user to do so. 

Any third party getting access to the seed phrase will be able to take possession of the bitcoins, so it must be kept with utter thoroughness.

Recurring billing is a payment model that makes possible invoicing customers for companies on the basis of company specified schedule (i.e. monthly, quarterly, etc.) It often involves a subscription mechanism, membership dues, and installment plan payments. 

A refund is a return of money to the person who paid them due to various reasons, including customer dissatisfaction or legal infringements.

A time period required for someone or something to produce a response to a stimulus.

XRP is a cryptocurrency of RippleNet that connects banks, payment providers and digital asset exchanges to provide the way to send money globally. Banks and payment providers can use the digital asset XRP to further reduce their costs and access new markets.

ROI stands for "Return on Investment": a ratio (or percentage) that reflects the profitability or positive result for a particular trade or investment. It is a simple instrument that generates an absolute ratio (e.g., 0.45) or a percentage (e.g., 45%). ROI can also be useful in comparing different types of investments or multiple trading operations.

RSI is an acronym for the "Relative Strength Index." It is a technical indicator used in financial market analysis, that can be used for trading of cryptocurrencies.

In essence, the stronger the price, the bigger the upward closures of the market in comparison to the downward closures. When the market is weak, exactly the opposite things happen.