A market order is an instruction to buy or sell an asset immediately at the best available price. It is executed at once as long as there are matching limit orders in the order book.
A transaction fee is the payment the sender of a transfer pays the network for processing and confirming the operation. Its amount depends on the network load and the priority of the transfer.
A one-pager is a condensed presentation of a crypto project that fits on a single page. It briefly and clearly describes the essence of the idea and often serves as investors' first introduction to the project.
An exchanger is a service for exchanging one form of money for another. In the crypto space exchangers are most often used to exchange cryptocurrency for fiat money and back.
A beginner (noob, newbie) is a person who has just started to learn about cryptocurrencies or has recently appeared in a themed community. The term describes a level of experience, not a judgment of the person.
A nonce is a variable number that miners substitute when hashing a block. By going through nonce values, they search for a hash that satisfies the target set by the network's difficulty.
A node is a computer with an installed client connected to a cryptocurrency network. Nodes exchange data, relay transactions and blocks and jointly maintain the operation of the decentralized network.
Namecoin is one of the first altcoins, created on the basis of Bitcoin's technology. Its purpose is the decentralized registration of names and domains, primarily in the censorship-resistant .bit zone.
A block reward is the reward a miner receives for successfully creating a new block in the blockchain. It consists of an issuance part and transaction fees and decreases periodically.
Multisignature is a technology in which carrying out a transaction requires not one but several signatures with different private keys. It noticeably increases the security of storing crypto assets.