Address: A string of letters and numbers that represents the destination of a Bitcoin payment. It can be shared publicly in the form of text or a QR code in order to make any cryptocurrency payment.

API: API stands for Application Programming Interface. It is a set of functions and procedures that allows programmers to create apps and software. These can then access features or data of an third party operating system service.

Arbitrage: A method of buying and selling assets at the same time and on different markets. This approach takes advantage of the price difference of the markets to make a profit.

Bitcoin ATM (BTM): A machine from which you can withdraw Bitcoin.

Bits: A sub-unit of one bitcoin. There are 1,000,000 bits in one bitcoin.

Block: A file that contains digital information. The files (blocks) link together to form a blockchain. Once a block has been added to the blockchain, it is stored permanently and it is very difficult to alter.

Blockchain: A decentralized list of records called blocks. Blocks are linked and secured using cryptography. The information on the blockchain is recorded across many computers to make it difficult to alter.

Cold Wallet: A piece of hardware that stores your private keys offline. It does not have access to the internet and usually resembles a usb thumb drive.

Confirmations: A transaction confirms when it added to a block on the blockchain. Different exchanges require a different number of confirmations to consider a cryptocurrency transaction finalized.

Cryptocurrency: It’s a form of digital currency that has no regulating authority using strong cryptography to record and secure financial transactions and at the same time relies on cryptography to prevent fraudulent transactions.

Decentralization: It is an organizational process where planning and decision-making is equally distributed from a central, authoritative location or group.

Double Spending: It means the act of spending a sum of money twice, or more.

Exchange: Cryptocurrency exchanges are businesses or platforms that allow customers and users to trade cryptocurrencies for fiat money or other cryptocurrencies.

Fiat: Any money that is declared or backed by a government with its own banking system. It’s available in the form of physical cash or electronic form like bank credit.

Genesis Block: The original block in the blockchain that is processed to form a new blockchain.

Hash: An algorithm function that performs input of letters and numbers into an encrypted output of fixed length. Its algorithm is essential to blockchain management in cryptocurrency.

Hosted Wallet: It is a wallet operated by a third-party service.

Paper Wallet: An offline mechanism containing your private key or seed phrase which involves directly printing private keys and addresses onto paper.

Private Key / Secret Key: A bit of code paired with a public key to set off an algorithm for text encrypting and decrypting. It is also known as secret key.

Public key: An alphanumeric segment that is used to request payments. It's made from private keys by using cryptographic math functions. Users can make as many public addresses as they want to receive bitcoins.

QR Code: A two dimensional barcode made of black-and-white squares. It is used to store information and can be read by a smartphone. It is also used to encode bitcoin addresses and easily share them with other users.

Transaction Fee: A payment for using the blockchain to transact.

Wallet: A secure digital wallet used to store, send, and receive digital currency. It contains private keys along with Bitcoin addresses

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