<img height="1" width="1" style="display:none" src="https://q.quora.com/_/ad/27baf1f26c3e4ccba2fbb2377a52976f/pixel?tag=ViewContent&amp;noscript=1">

    blockchain

    Learn the basics of blockchain and the inner workings of cryptocurrency.

    What is SegWit?

    Segregated Witness, also known as SegWit, was implemented on the Bitcoin network to improve scalability. SegWit reduces the data involved in a transaction by stripping the digital signature from the transaction data and moving it to a point in the structure later in the transaction.

    What is a fork?

    Forks are a natural way for blockchains to evolve. A fork in a blockchain is when developers create a new blockchain protocol, related to an existing blockchain protocol, to create a different version of the blockchain. This is in the interest of changing or updating a blockchain protocol.

    What is averaging down and when should you do it?

    Averaging down is an investment tactic you can use to lower your average buying price. It allows you to enter profit earlier than you would have, but it also introduces additional risk to your investment.

    What is the Lightning Network?

    The lightning network is Bitcoin’s solution to its scalability issues. Bitcoin has slow confirmation times and expensive transaction fees which limit growth and adoption. The Lightning Network aims to allow transactions to occur off-chain, so transactions don't need to be verified on the blockchain.

    What is a 51% attack?

    A 51% attack occurs when a malicious miner is able to control more than 51% of the hashing power in a network, enabling them to carry out unconventional transactions, such as double-spending. They are very dangerous for the prosperity of the network.

    What is a cryptocurrency wallet?

    So you've got yourself some crypto and you want to story it somewhere. You're going to need a cryptocurrency wallet – a place that you use to store, access, send and receive your crypto. A cryptocurrency wallet does not actually hold your coins within it like a traditional wallet. Learn more.

    What are DApps and what are some examples?

    DApp is short for decentralized application. A DApp is basically an app on the blockchain. To understand what DApps are, it’s important first to understand a bit about traditional centralized applications (apps). DApps implement aim to provide secure user interaction over a blockchain network.

    What are public and private keys?

    Private and public keys are crucial in blockchain and cryptocurrency. It's important to have an understanding of their significance to cryptocurrency transactions. Cryptography is the process of encrypting and decrypting information. Cryptography is used in blockchain and cryptocurrency for security.

    What are altcoins and why should you invest in them?

    Altcoins are coins that aren't Bitcoin and they can be attractive to cryptocurrency investors and traders.

    What is hash rate?

    Hash rate, also referred to as hash power, is a fundamental part of any cryptocurrency utilizing a proof-of-work consensus mechanism, such as Bitcoin. Hash rate is the measure of how fast a computer is completing an operation in a proof-of-work network.

    Blockchain use cases

    Blockchain has many use cases in various sectors, including finance, marketing and supply chain.