If you already have some Bitcoins that you want to invest or if you wish to transfer funds from your bank accounts to buy Bitcoins you will need an exchange or an investing site to facilitate these actions. Investing in Bitcoins or other crypto coins is similar to stock investing, the only difference being that the crypto market is far more volatile. Bitcoins investment can be done through trading. Bitcoins can be traded manually and also using most legit trading robots like bitcoin gemini. Here are the top 10 Bitcoin and crypto investing websites and exchanges for you to consider:

1. eToro: This platform has been there for a while in Europe and the UK, and has also started operating in the US. It provides a wide range of crypto assets and even a demo account for investors to practice trading first before they use real money. As a user, you can copy trades or other successful traders. Interested Traders who wish to invest in UK digital currencies can check out the best UK crypto exchange available in the market right now.
2. Gemini: This US-based company has so far not been hacked and is a straightforward platform known for its focus on security and transparency.  It protects its customers and follows industry-leading security standards. It supports more than 20 cryptocurrencies and on signing up, you get a bonus of $10 for depositing $100.
3. Coinbase: This exchange has been the most well-known as you can invest in USD directly. You can buy Ethereum, Bitcoin, Litecoin, etc and many other tokens from Coinbase. You can also earn token by completing different activities and earn interest on USDT.
4. Bitcoin IRA: Fund transfers from existing IRAs to crypto IRAs were lengthy and cumbersome, and when not done properly, these could generate taxable events. The Bitcoin IRA sought to resolve this issue. It is a tad different from the other crypto investing sites because you can just exchange currencies and have to pay taxes on the gains. Gains within the account remain tax-free/tax-deferred.
5. Robinhood: This platform provides commission-free trade for its users. This free investing app allows crypto trades, stocks, and other options with premium features including after-hours trading and margin trading. You can free stocks when you create an account here.
6. BlockFi: This cryptocurrency platform lets you lend and then earn interest on your holdings. You may borrow against the holdings instead of selling off your coins or tokens. You can earn up to $250 as bonus when you deposit $25 and hold it for a stipulated time-period.
7. Kraken: This is one of the earliest and most secure trading platforms with an impressive collection of tokens and coins for investing purposes. Kraken allows margin trading and advanced tools like futures trading. You can trade in DOGE and other risky tokens.
8. Crypto.com: This is one of the fastest-growing exchanges based in Hong Kong. You can access more than 90 coins or tokens and they provide great rates on crypto savings accounts. You get to earn interest when you stake coins and acquire a Visa card for spending your crypto. This is however only available as an app for the time being.
9. Binance: This is recommended when you wish to trade cryptos like Neo and Cardano. It is slightly difficult to use and does not have a mobile app.
10. Coinmama: It allows you to use your credit or debit card, bank transfer, and even Apple Pay to purchase cryptos. CoinMama supports most of the well-known tokens, even though fees are higher compared to other exchanges.