Cryptocurrency, generally referred to as crypto, is a type of payment, which can circulate without a central monetary authority like a bank or government. It is a digital asset comprising highly encrypted and secure online transactions.

You should choose a bitcoin exchange known for transparency since crypto is not legally regulated. You can identify reliable bitcoin exchanges by evaluating its audit exchange and reports that show the company's financial health.

Ethereum's London Hard Fork are a set of 5 Ethereum improvement proposals that aim to change the speed and incentivisation of Ethereum mining. Since Ethereum is regarded as an inflationary cryptocurrency, there is no limit on its count and miners are rewarded with fresh, new coins each time they validate a block. They are then compensated with transaction fees paid by users. However, per Ethereum's London Hard Fork proposal, once the update is rolled out, miners will not receive income from transaction fees, thereby reducing the supply of this cryptocurrency and giving it a much-required boost. This update aims to make transaction fees more predictable for investors using blockchain technology.

Double spending is a potential issue in digital currencies where the same digital token can be spent more than once. This is a unique problem for digital money, as digital information can be replicated easily. Bitcoin addresses this issue through its decentralized ledger, the blockchain. When a Bitcoin transaction is made, it's broadcast to a network of computers (nodes). These nodes verify the transaction's legitimacy and its history, ensuring the same bitcoins haven't been spent previously. Once verified, the transaction is added to a block in the blockchain, which is then confirmed by miners.

Bitcoin transcends the role of a mere digital currency, positioning itself as a powerful instrument for an unprecedented overhaul of our current financial landscape. Its capabilities extend far and wide, offering transformative changes in various facets of financial interactions

Bitcoin mining is the process by which new bitcoins are entered into circulation and the network is secured. It involves solving complex computational puzzles using specialized hardware. Miners compete to solve these puzzles, and the first one to find a solution gets to add a new block of transactions to the blockchain, a decentralized public ledger. In return for their efforts, miners are rewarded with a certain number of bitcoins, as well as transaction fees paid by users. This mining process not only introduces new bitcoins at a controlled rate, adhering to Bitcoin's cap of 21 million total coins, but also plays a crucial role in maintaining and securing the Bitcoin network, making it resistant to fraud and attacks.

Bitcoins can be bought from various sources. For most people, the easiest way is through our self-custodial Bitcoin.com Wallet app where you can also buy, sell, and trade the most popular cryptocurrencies. You can also purchase Bitcoin online directly from our website. With both of the above methods, can pay via credit card, debit card, bank transfer with fiat currency, and using online payment services like Paypal.

Yes, Bitcoins can be sold in various ways. For most people, the easiest way to sell Bitcoin is with Bitcoin.com Wallet app, where you can set up a connection to your local bank to sell Bitcoin for your local currency. Bitcoin can also be sold online via our website. Another option to sell Bitcoin is via Bitcoin Teller Machines which are similar to cash ATMs. Finally, it is of course possible to sell Bitcoin peer-to-peer, whether in exchange for local currency, or as payment for goods or services.