with the payment method you prefer buy and sell cryptocurrencies. Întrebări frecvente. Găseşte răspunsuri la întrebări frecvente şi mituri despre Bitcoin. Transações Instantâneas. As transações são realizadas ponto-a-ponto de forma instantânea pela Internet, isto significa que o dinheiro será enviado diretamente para o seu destinatário, não havendo entidades a meio do processo, que muitas vezes o dificultam.
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Transaction Fee:. We do not keep your data with us. In case of loss of e-mail, password or private key from Bitcoin address - we will not be able to restore your wallet.
Do you want to send 0. Raw Transaction: Below is a copy of the transaction we tried to submit. Send Cansel. Please be aware that you have created a transaction with what seems to be a very high fee of: BTC! OK, I've got it!
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Once your purchase is complete, the codes are now owned by you and not the seller. Bitcoin's volatility also makes it interesting for speculative traders. Bitcoin is legal in nearly every country. Only a few countries have actually banned the use of bitcoins. Before you buy, make sure you double-check the legal status of Bitcoin in your country. Bitcoin functions as the "reserve" currency of cryptocurrency. So it is very hard to buy other coins without first buying bitcoins. Once you purchase the bitcoins you can convert the bitcoins into other cryptocoins.
This is mostly because Bitcoin has very good liquidity and is traded on every cryptocurrency exchange. So most coins are traded against Bitcoin rather than the US dollar or other fiat currencies. Bitcoin is not anonymous but rather pseudonymous. All Bitcoin transactions are public but it is not always known the real identity behind any given Bitcoin address.
If the limits on one exchange are to low you can simply open an account with another exchange to give yourself the ability to buy more. You can signup, join, and use as many Bitcoin exchanges as you want that are available in your country. In most countries you will need to pay some kind of tax if you buy bitcoins, sell them, and make a gain. In the US you must do this on every transaction.
Just like any other form of money, you can get bitcoins by requesting from your employer to be paid in bitcoins. The supply of Bitcoin is fixed. There can never be more than 21 million -- and there are about Every 4 years, the bitcoin halving happens where the new supply rate is cut in half. The previous high was over 1, days. The good thing is, developers are hard at work to make Bitcoin the best money the world has ever seen.
In terms of acting as payment network, Bitcoin works quite differently from others such as PayPal or Venmo. These traditional forms of payment over the internet, which are tied to the legacy financial system, involve the use of centralized, trusted third parties to order transactions and keep track of user account balances.
In the case of Bitcoin, those who are in charge of ordering transactions are dynamic and potentially anonymous. This is the key differentiator to understand about Bitcoin.
The way in which transactions are processed allows bitcoin to act in a permissionless, censorship-resistant, and apolitical manner. The above quote is what the pseudonymous Satoshi Nakamoto wrote in the original Bitcoin white paper. Nakamoto effectively created a decentralized solution to what is known as the double-spending problem. This was an issue seen in many previous digital payment systems.
Bitcoin is often referred to as digital cash due to its ability to be transacted over the internet in a manner similar to physical cash, but the digital gold analogy makes more sense due to the monetary properties of bitcoin. In the beginning, 50 bitcoin were created roughly every ten minutes, but that increase in supply is halved every four years.
The issuance schedule will continue until around the year , when the supply will be capped at nearly 21 million bitcoins. On that day, a link to a paper with the title Bitcoin: A Peer-to-Peer Electronic Cash System , was uploaded to a cryptography mailing list. In January of the following year, the bitcoin software was implemented and released as open-source code. This was called the genesis block.
Embedded in the coinbase of that block was a text alluding to a British news headline from that day referring to bank bailouts. A cypherpunk by the name of Hal Finney was the first person to receive a bitcoin transaction. Finney downloaded the software for bitcoin when it was released and on January 12, , he received ten bitcoins.
I've never fallen victim to a single scam. Follow the tips explained here and you'll greatly reduce your chances of losing money. There are many scams related to Bitcoin. Scammers target new Bitcoiners and less tech-savvy users. Follow these basic rules in order to avoid Bitcoin scams:.
Search forums like Reddit for the experiences of other users. You can also use our Bitcoin exchange reviews to get in depth information about certain exchanges.
If most of their feedback is positive, your trade is more likely to go through without issues. Bitcoin payments are irreversible, so if you send first the scammer can simply not pay you and keep their bitcoins.
This would leave you with no way to get your bitcoins back. Any service that claims to pay interest on bitcoins or increase your bitcoins is likely extremely risky or an outright scam.
If it sounds too good to be true, stay away. Altcoins are traded globally on hundreds of exchanges. Avoid throwing money into coins which are experiencing a sudden and dramatic spike in price and volume.
Such moves, especially in insignificant coins with otherwise thin volume and flat price action, are likely to crash fast. Don't store coins on Bitcoin exchanges! Your bitcoins are only safe if you store them in a wallet that is controlled by YOU!