/r/Bitcoin FAQ – Newcomers please read

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1 BTC = $38029.21 USD  (via Coinbase)
1 ETH = $2373.61 USD  (via Coinbase)
1 LTC = $166.93 USD  (via Coinbase)
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Welcome to the /r/Bitcoin Sticky FAQ

You've probably been hearing a lot about Bitcoin recently and are wondering what's the big deal? Most of your questions should be answered by the resources below but if you have additional questions feel free to ask them in the comments.

The following videos are a good starting point for understanding how bitcoin works and a little about its long term potential:

For lots of additional video resources check out the videos wiki page or /r/BitcoinTV.

Key properties of bitcoin

  • Limited Supply (there will only ever be 21,000,000 bitcoins created and they are issued in a predictable fashion, you can view the inflation schedule here after which it will be truly deflationary as coins are lost over time)
  • Open source (Bitcoin code is fully auditable. You can read the source code yourself here)
  • Accountable (the public ledger is transparent, all transactions are seen by everyone)
  • Decentralized (Bitcoin is globally distributed across thousands of nodes with no single point of failure and as such can't be shut down similar to how Bittorrent works)
  • Permissionless (No one can prevent you from interacting with the bitcoin network of your own free will)
  • Censorship resistant (No one can censor, alter or block transactions that they disagree with, see Operation Chokepoint)
  • Push system (there are no chargebacks in bitcoin because only the person who owns the address where the bitcoins reside has the authority to move them)
  • Low fee (transactions cost a few cents, most wallets calculate this automatically but you can view current fees here).
  • Borderless (no country can stop it from going in/out, even in areas currently unserved by traditional banking as the ledger is globally distributed. This makes it a truly global payment platform )
  • Trustless (Bitcoin solved the Byzantine's Generals Problem which means nobody needs to trust anybody for it to work)
  • Pseudonymous (no need to expose personal information when purchasing with cash or transacting)
  • Secure (encrypted cryptographically and can’t be confiscated with proper key management such as hardware wallets)
  • Nearly instant (from a few seconds to a few minutes depending on need for confirmations)
  • Peer-to-peer (no intermediaries with a cut, no need for trusted third parties)
  • Portable (easier to carry/move than cash, gold and silver. Can even be transported by simply remembering a string of words for wallet recovery)

  • Scalable (each bitcoin is divisible down to 8 decimals allowing it to grow in value while still accommodating micro-transactions)

  • Designed to fit all the fundamental properties of money better than gold or fiat

Additional Bitcoin statistics can be found here. Developer resources can be found here and here. Peer-reviewed research papers can be found here. Scaling resources here, and of course the whitepaper that started it all :

Where can I buy bitcoins?

You can buy or sell any amount of bitcoin and there are several easy methods to purchase bitcoin with cash, credit card or bank transfer. Some of the more popular resources are below, additionally BuyBitcoinWorldwide.com is a very helpful site for beginners.

Bank Transfer / Credit card options

Cash options

Here is a listing of local ATMs. If you would like your paycheck automatically converted to bitcoin use Cashila or Bitwage.

Note: Bitcoins are valued at whatever market price people are willing to pay for them in balancing act of supply vs demand. Unlike traditional markets, bitcoin markets operate 24 hours per day, 365 days per year. Preev.com is a useful site that that shows how much various denominations of bitcoin are worth in different currencies. Alternatively you can just Google "1 bitcoin in (your local currency)".

Securing your bitcoins

With bitcoin you can "be your own bank" and personally secure your bitcoins OR you can use third party companies aka "bitcoin banks" which will hold the bitcoins for you.

If you prefer to "be your own bank" and have direct control over your coins without having to use a trusted third party, there are many software wallet options here. Some popular mobile and desktop options are below and most are cross platform.

Android iOs Desktop
Mycelium BreadWallet Electrum
CoPay AirBitz Armory

If you want easy and secure storage without having to learn computer security best practices, then a hardware wallet such as the Trezor or Ledger is recommended. A more advanced option is to secure them yourself using paper wallets generated offline.

If you prefer to let bitcoin banks manage your coins, try Coinbase or Xapo but be aware you may not be in control of your private keys in which case you would have to ask permission to access your funds and be exposed to third party risk.

Note: For increased security, use Two Factor Authentication (2FA) everywhere it is offered, including email!

2FA requires a second confirmation code to access your account, usually from a text message or app, making it much harder for thieves to gain access. Google Authenticator and Authy are the two most popular 2FA services, download links are below. Make sure you create backups of your 2FA codes.

Google Auth Authy
Android Android
iOS iOS

Where can I spend bitcoins?

Comprehensive lists can be found at the Trade FAQ or The Bitcoin Directory, some more commons ones are below.

Store Product
Steam, HumbleBundle, GreenmanGaming, and Coinplay.io For when you need to get your game on
Microsoft Xbox games, phone apps and software
Spendabit, The Bitcoin Shop, Overstock, Rakuten, DuoSearch and BazaarBay Retail shopping with millions of results
ShakePay Generate one time use Visa cards in seconds
Gyft Gift cards for hundreds of retailers including Amazon, Target, Walmart, Starbucks, Whole Foods, CVS, Lowes, Home Depot, iTunes, Best Buy, Sears, Kohls, eBay, GameStop, etc.
NewEgg, TigerDirect and Dell For all your electronic needs
Cashila, Bitwa.la, Coinbills, Piixpay, Bitbill.eu, Bylls, Coins.ph, Bitrefill, Pey.de, LRoS, Wagepoint, Hyphen.to Bill payment
Foodler and Takeaway Takeout delivered to your door!
Expedia, Cheapair, Lot, Destinia, BTCTrip, Abitsky, SkyTours, Fluege the Travel category on Gyft and 9flats For when you need to get away
BoltVM VPS service
Cryptostorm, Mullvad, and PIA VPN services
Namecheap For new domain name registration
Stampnik and GetUSPS Discounted USPS Priority, Express, First-Class mail postage
Reddit Gold Premium membership which can be gifted to others

Coinmap and AirBitz are helpful to find local businesses accepting bitcoins. A good resource for UK residents is at wheretospendbitcoins.co.uk.

There are also lots of charities which accept bitcoin donations, such as Wikipedia, Red Cross, Amnesty International, United Way, ACLU and the EFF. You can find a longer list here.

Merchant Resources

There are several benefits to accepting bitcoin as a payment option if you are a merchant;

  • 1-3{88c91daedd271a990a10650c05d769cae2765e0603edf30ca95f18704e5748e8} savings over credit cards or PayPal.
  • No chargebacks (final settlement in 10 minutes as opposed to 3+ months).
  • Accept business from a global customer base.
  • Increased privacy.
  • Convert 100{88c91daedd271a990a10650c05d769cae2765e0603edf30ca95f18704e5748e8} of the sale to the currency of your choice for deposit to your account, or choose to keep a percentage of the sale in bitcoin if you wish to begin accumulating it.

If you are interested in accepting bitcoin as a payment method, there are several options available;

Can I mine bitcoin?

Mining bitcoins can be a fun learning experience, but be aware that you will most likely operate at a loss. Newcomers are often advised to stay away from mining unless they are only interested in it as a hobby similar to folding at home. If you want to learn more about mining you can read more here. Still have mining questions? The crew at /r/BitcoinMining would be happy to help you out.

If you want to contribute to the bitcoin network by hosting the blockchain and propagating transactions you can run a full node using this setup guide. You can view the global node distribution here.

Earning bitcoins

Just like any other form of money, you can also earn bitcoins by being paid to do a job.

Freelancing

Market Places

Video Streaming

Tasks

File/Image Sharing

Advertising

You can also earn bitcoins by participating as a market maker to allow users to perform CoinJoin transactions with your bitcoins for a small fee (requires you to already have some bitcoins)

Bitcoin Projects

The following is a short list of ongoing projects that might be worth taking a look at if you are interested in current development in the bitcoin space.

Project Description
Lightning Network, Amiko Pay, and Strawpay Payment channels for network scaling
Blockstream and Drivechain Sidechains
21, Inc. Open source library for the machine payable web
ShapeShift.io Trade between bitcoins and altcoins easily
Open Transactions, Counterparty, Omni, Open Assets, Symbiont and Chain Financial asset platforms
Hivemind and Augur Prediction markets
Mirror Smart contracts
Mediachain Decentralized media library
Tierion and Factom Records & Titles on the blockchain
BitMarkets, DropZone, Beaver and Open Bazaar Decentralized markets
Samourai and Dark Wallet – abandoned Privacy-enhancing wallets
JoinMarket CoinJoin implementation (Increase privacy and/or Earn interest on bitcoin holdings)
Coinffeine and Bitsquare Decentralized bitcoin exchanges
Keybase and Bitrated Identity & Reputation management
Bitmesh and Telehash Mesh networking
JoyStream BitTorrent client with paid seeding
MORPHiS Decentralized, encrypted internet
Storj and Sia Decentralized file storage
Streamium and Faradam Pay in real time for on-demand services
Abra Global P2P money transmitter network
bitSIM PIN secure hardware token between SIM & Phone
Identifi Decentralized address book w/ ratings system
Coinometrics Institutional-level Bitcoin Data & Research
Blocktrail and BitGo Multisig bitcoin API
Bitcore Open source Bitcoin javascript library
Insight Open source blockchain API
Leet Kill your friends and take their money 😉

Bitcoin Units

One Bitcoin is quite large (hundreds of £/$/€) so people often deal in smaller units. The most common subunits are listed below:

Unit Symbol Value Info
millibitcoin mBTC 1,000 per bitcoin SI unit for milli i.e. millilitre (mL) or millimetre (mm)
microbitcoin μBTC 1,000,000 per bitcoin SI unit for micro i.e microlitre (μL) or micrometre (μm)
bit bit 1,000,000 per bitcoin Colloquial "slang" term for microbitcoin
satoshi sat 100,000,000 per bitcoin Smallest unit in bitcoin, named after the inventor

For example, assuming an arbitrary exchange rate of $500 for one Bitcoin, a $10 meal would equal:

  • 0.02 BTC
  • 20 mBTC
  • 20,000 bits

For more information check out the Bitcoin units wiki.


Still have questions? Feel free to ask in the comments below or stick around for our weekly Mentor Monday thread. If you decide to post a question in /r/Bitcoin, please use the search bar to see if it has been answered before, and remember to follow the community rules outlined on the sidebar to receive a better response. The mods are busy helping manage our community so please do not message them unless you notice problems with the functionality of the subreddit. A complete list of bitcoin related subreddits can be found here

Note: This is a community created FAQ. If you notice anything missing from the FAQ or that requires clarification you can edit it here and it will be included in the next revision pending approval.

Welcome to the Bitcoin community and the new decentralized economy!

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1 CRYPTO

Crypto News & ICO Reviews

1 News - 247 News - 247 Bitcoin - 1 Search

BTC - BCH - ETH - LITE - XRP

Buy Sell Trade Crypto Here

 

Ticker

1 BTC = $38029.21 USD  (via Coinbase)
1 ETH = $2373.61 USD  (via Coinbase)
1 LTC = $166.93 USD  (via Coinbase)
Quotes delayed up to 2 minutes.

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