This guide is the second in a two-part series about the most common terminology used in the cryptocurrency industry. If you haven't yet, be sure to also check out Part 1. ICO - meaning Initial Coin Offering, this is the crowdfunding mechanism of the industry which allows businesses to issue their own cryptocurrency in exchange of investor's fiat or crypto assets.Lightening Network - a payment protocol which is based on blockchain and able to processes billions of transactions per second.Market Cap - the total availability of a particular cryptocurrency multiplied by its current price.Mining - the process by which dedicated software works to solve a block in a blockchain and is rewarded in cryptocurrency.Mining Rig - a powerful computer with high graphics processors designed to process blockchains.Moon - a colloquial term associated with the probable increase of a cryptocurrency's volume and price.Node - an individual computer which holds a copy of the blockchain and continually maintains it.Paper Wallet - probably the least secure type of wallet, involves keeping public and private keys written on a piece of paper. [cta text='Best Cryptocurrency Wallets' href='https://www.cryptimi.com/cryptocurrency-wallets'] POW - meaning proof of work, this is the algorithm used by cryptocurrencies to reward a miner to solve a block.Private Key - a code held privately which allows a user to unlock a cryptocurrency wallet.Proof of Stake - the creator of a new blockchain block based on his/her wealth.Public Key - sometimes referred to as the crypto address, this is the string of numbers and letters used to send and receive cryptocurrencies from an exchange or wallet.Pump and Dump - when a cryptocurrency suddenly gets a lot of attention leading to a massive price increase, followed, shortly afterward, by a steep decline.ROI - meaning return on investment, this term is commonly used in investing sectors and refers to the percentage profit one can expect to make on a given investment.Satoshi Nakamoto - the mysterious and elusive person or group of people behind Bitcoin.Sharding - a method of scaling blockchains by getting nodes to include partial copies of entire chains which allows them to increase network speed and performance.Shilling - when a group or individual advertise a crypto coin in order to raise its price and personally gain from their investment.Smart Contracts - applications which run based on pre-defined algorithms which cannot be influenced by unauthorised external sources once set.Software Wallet - a virtual wallet, such as Exodus or Coinbase Wallet, where cryptocurrencies can be stored in a computer, just like any other file.Stable Coin - a low volatility cryptocurrency which is a preferred choice for investors looking for a long-term trading pair, such as BTC/NEO.Tokens - a cryptocurrency built on the Ethereum blockchain which is awarded as part of an ICO before the currency itself is available on major exchanges, such as Binance or Kraken. [cta dual='true' color='purple' text='Visit Kraken' text2='Kraken Review' href='/out/kraken' href2='https://www.cryptimi.com/cryptocurrency-exchanges/kraken-review']