Bitcoin

Once you add your bank card to your Rain account, you can use it to buy Bitcoin directly. You can start by adding your card to your payment options on your Rain account. To purchase Bitcoin using your bank card, you can select Bitcoin, click Trade then select Buy. Enter the amount you wish to buy and choose your card from the payment options. Click Next to review and complete your purchase by following the instructions on the screen.

note: The purchase option with debit or credit card is not available for our users in Turkey

Rain enables you to buy Bitcoin using your local currency. You can deposit funds through bank transfer, a process which takes 1-4 business days depending on your location. You can start by depositing funds to your Rain account from your bank account. Simply click on Deposit and enter the amount you would like to transfer. Click next and copy the instructions that will appear on your screen to complete the transfer from your bank account. Note that Rain does not automatically pull funds from your bank account and you will need to manually transfer the funds from your bank account to Rain's banking information.

Within 1-4 business days, the funds will be available in your Rain account and you will be able to use them to complete purchasing Bitcoin. To do that, you can select Bitcoin in your Rain account, click Trade and select Buy. Enter the amount you wish to buy with and click Next to review and confirm your purchase.

This is an easy process that requires only a few clicks. Here are the steps needed to sell Bitcoin successfully:

On your Rain account, select Bitcoin then click Trade and select Sell. Enter the amount you wish to sell and click Next to review and confirm your sell transaction by entering an OTP. You will receive a confirmation email once the transaction is done with the details.

Rain gives you the opportunity to sell Bitcoin and withdraw your funds from your Rain account to your local bank account. First, you need to add your personal bank account to your Payment Methods option on your Profile.

Once your bank account is added, you can sell Bitcoin and withdraw the funds to your bank account by clicking on Withdraw and entering the amount you wish to withdraw. Click Next to review and confirm your withdrawal information by entering an OTP.

Once the withdrawal request is submitted, you will receive a confirmation email that the withdrawal is being processed. Processing your withdrawal request can take between 1-4 business days.

If you would like to receive Bitcoin in your Rain account, simply click on Receive and select Bitcoin from the list at the top of the page. You can then either copy the address visible at the botom of the screen or share the QR code to to complete your receive transaction.

Make sure that you are using the correct network when receiving Bitcoin to avoid possible loss of funds.

Bitcoin (BTC) is a decentralized digital currency and the first widely adopted cryptocurrency. It was introduced in 2008 via a whitepaper authored by the pseudonymous Satoshi Nakamoto, and the Bitcoin network launched in January 2009. All Bitcoin transactions are recorded on a public ledger called the blockchain. BTC is divisible (smallest unit: 1 satoshi = 0.00000001 BTC) and can be sent peer-to-peer without relying on traditional financial intermediaries such as banks or payment processors.

What is the history of Bitcoin? Bitcoin’s story begins in 2008 when the whitepaper “Bitcoin: A Peer-to-Peer Electronic Cash System” was published by Satoshi Nakamoto. In January 2009, the first block (known as the “genesis block”) was mined, marking the start of the network. The first real-world purchase with BTC happened on May 22, 2010, when 10,000 BTC were exchanged for two pizzas, now remembered as “Bitcoin Pizza Day.” Over the following years, Bitcoin was listed on exchanges, its price climbed from cents into dollars, and cycles of growth and corrections followed. By 2017 it had reached nearly $19,000 before another correction, and between 2020 and 2025 it grew into a globally recognized asset with institutional adoption and regulatory attention.

How does Bitcoin work? Bitcoin is supported by a global network of computers that maintain a shared public record of all transactions, called the blockchain. When someone transfers Bitcoin, the transaction is broadcast to this network. Miners, using advanced computers, review these transactions and gather them into groups called blocks. To confirm each block, miners solve complex mathematical problems, demonstrating that the information is valid. Once confirmed, the block is permanently added to the chain, and the transactions inside are settled.

What are some of Bitcoin’s unique features? Bitcoin has several characteristics that distinguish it from other assets. For instance, its supply is capped at 21 million, making it scarce by design. Also, its decentralized nature means that no single authority controls it, and all transactions are transparent and auditable on the blockchain. Additionally, issuing new Bitcoins follows a predictable schedule, with halving events roughly every four years that reduce the reward given to miners. Lastly, security is maintained through proof-of-work mining, which makes attacks on the network extremely costly.

What is Bitcoin used for? People use Bitcoin for several purposes. Many see it as a store of value or “digital gold” that protects against inflation. It is also used for cross-border payments and remittances since it operates outside traditional financial networks. Traders and investors often buy and sell BTC to profit from price movements, while long-term holders add it to their portfolios for diversification. Some merchants accept BTC for goods and services, and in certain cases, wrapped versions of Bitcoin are used as collateral or for yield generation in decentralized finance (DeFi).

Why is Bitcoin’s price so volatile? The price of Bitcoin often swings sharply because the market is still relatively small compared to traditional financial markets, so large trades can move the price significantly. Speculative trading also fuels short-term price movements. Government regulations, global news, media and changes in mining or network conditions can quickly affect sentiment, causing waves of buying and selling.

What was the price of Bitcoin in its early years? When Bitcoin first launched in 2009, it had no formal market price and was traded informally among enthusiasts. The first recorded purchase came in 2010 when 10,000 BTC were exchanged for two pizzas, valuing BTC at less than a cent. By February 2011, Bitcoin became equal in value to 1 US dollar, and over time it experienced multiple growth cycles that brought it to new highs in the thousands of dollars.

How many Bitcoins exist today, and when will all be mined? As of 2025, about 20 million BTC are in circulation, leaving roughly 1 million yet to be mined. The maximum supply is fixed at 21 million, and issuance slows over time due to halving events that occur roughly every four years. This process is predicted to continue until around the year 2140, when the final fraction of Bitcoin is mined.

Can Bitcoin be split into smaller units? Yes. The smallest unit of Bitcoin is called a satoshi, which equals 0.00000001 BTC. This divisibility makes it possible to send and receive very small amounts of Bitcoin, which is useful for microtransactions or when BTC’s price is high. You can check the smallest amount you can buy on Rain by visiting the Buy page on your account.

Who owns the most Bitcoin? The creator of Bitcoin, Satoshi Nakamoto, is believed to have mined roughly 1 million BTC in the early years, which has largely remained untouched. Beyond that, large holders include early adopters, institutions, funds, and corporations that have purchased Bitcoin for their treasuries. Because Bitcoin ownership is based on aliases (wallet addresses), it is difficult to attribute exact amounts to specific individuals or organizations.

What is Bitcoin mining and how long does it take to mine 1 BTC? Mining is the process of validating transactions and adding them to the blockchain. Miners compete using specialized hardware to solve cryptographic puzzles, and the winner earns new BTC plus transaction fees. The Bitcoin protocol adjusts the difficulty roughly every two weeks to ensure blocks are mined about every 10 minutes. There is no fixed time to mine 1 BTC since it depends on how much computing power a miner contributes relative to the entire network. For an individual miner, this can range from hours to months depending on scale and efficiency.

Is BTC safe to hold on Rain? Yes. At Rain, your BTC is protected by strong regulatory oversight, advanced security systems, and robust custody practices. As a licensed and regulated platform under the Central Bank of Bahrain and ADGM in the UAE, Rain maintains a strict 1:1 asset to funds ratio and undergoes independent audits to ensure transparency. However, some risks (like market volatility) remain outside of Rain’s control, and customers are always advised to conduct their research before trading.

How can I buy and store Bitcoin on Rain? To buy Bitcoin on Rain, visit the buy page, and select your fiat account or your debit or credit card to complete your purchase within a few moments. We have created this step-by-step guide to walk you through the process. You can also store your Bitcoin using Rain’s secure custodial services and refer to our 24/7 support for any questions or needed assistance.

What role might Bitcoin play in the future? Bitcoin is expected to continue evolving as both a way to save money long-term or as a settlement layer. Some predict greater institutional adoption, while others focus on its use in payments through layer-2 solutions like the Lightning Network. It may also see broader integration with DeFi, cross-chain applications, and tokenized finance. Regulatory clarity and accessible custody solutions will play a large role in shaping Bitcoin’s adoption in the years ahead, and you can be part of this today with Rain.