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19 votes
Accepted

Why is coinbase mentioned in a BIP?

The coinbase mentioned in BIP34 is not the company; it is referring to the first transaction in a Bitcoin block (which is special as it is allowed to bring new currency into circulation). Coinbase-the-...
Pieter Wuille's user avatar
8 votes
Accepted

What percentage of merchant Bitcoin receipts are immediately converted into fiat?

The last stats Bitpay published were in December, 2014, so it may be somewhat out of date. They said that 10% of the merchants keep settle entirely in Bitcoin, 41% of the merchants keep a part of ...
fluffyponyza's user avatar
8 votes

Import private key to coinbase?

Coinbase no longer supports any sort of wallet import (wonder why?). To quote Coinbase (June 2016 on https://support.coinbase.com/customer/en/portal/articles/2285419-how-do-i-import-an-existing-wallet-...
Jon Nylander's user avatar
7 votes
Accepted

Can I claim my BCH if my BTC is held with Coinbase?

If you didn't move out your BTC before the fork, then your BitCoin Cash tokens remain with CoinBase. They are not really lost, but they might remain in their system for a while. Here is the ...
Rob's user avatar
  • 86
6 votes
Accepted

Does coinbase pay for my transfer fees?

At the time of the question being posted, Coinbase was paying your transfer fees. Starting on March 21st 2017, they stopped paying the transfer fee and the user now pays the fee. Coinbase has blog ...
Mike_R's user avatar
  • 76
6 votes

Can I receive Bitcoin on any of my wallet addresses?

Yes! With an HD (Hierarchical Deterministic) wallet you control all the addresses inside of it. Using a new address for each transaction is actually a good thing for privacy. https://en.bitcoin.it/...
opensourceprivacy's user avatar
6 votes
Accepted

How is 10% transaction fee possible for a bitcoin transfer from coinbase to another exchange?

This is normal. You can see on https://bitcoinfees.earn.com/ that BTC 0.001 is a pretty average fee right now. You should not think of it as a percentage, since the fee for a transaction is not ...
Nate Eldredge's user avatar
6 votes

Longest unconfirmed transaction?

A transaction could go unconfirmed indefinitely. The order in which transactions are confirmed is decided by miners, and generally they will be incentivized to include only the highest fee-rate ...
chytrik's user avatar
  • 18.3k
6 votes
Accepted

Can I use my Coinbase address to receive bitcoin? Why is it shorter than a normal address?

Normal (old) P2PKH addresses (1...) and P2SH addresses (3...) are 34 characters long. The newer native segwit addresses (bc1...) are longer, because they're case-insensitive and (in some cases) use ...
Pieter Wuille's user avatar
5 votes

Transfer between Coinbase and Armory?

Yes, you can and should transfer your bitcoin to a wallet you control after purchasing them from a web-based wallet. Never leave a substantial amount of your bitcoin on an exchange or a web wallet. ...
Jestin's user avatar
  • 8,822
5 votes

How does one create a brain wallet from a seed using SHA256?

A bitcoin generator can generate an address. i.e. https://brainwalletx.github.io/
user289394's user avatar
5 votes
Accepted

How to derive the private key associated with a Coinbase multi-sig vault address

I did some digging into Coinbase's offline multisig tool to figure out what the user seed actually was and their derivation paths. It turns out the user seed is just that, a seed that is used to get ...
Ava Chow's user avatar
  • 71.1k
5 votes

How do I retrieve bitcoins sent to my email address through coinbase.com?

When sending Bitcoin from Coinbase.com to an email address, you are sending the Bitcoin to another Coinbase.com account linked to that email address. So for example, if you had a friend who has a ...
Eric Allam's user avatar
5 votes

Can I use my Coinbase address to receive bitcoin? Why is it shorter than a normal address?

There are a number of different standard output types for Bitcoin transactions. Most standard types use addresses as shorthand to encode the spending conditions. The output types and the corresponding ...
Murch's user avatar
  • 76.3k
4 votes

How does one create a brain wallet from a seed using SHA256?

A brain wallet is simply the SHA256 hash of an arbitrary string, this is a Bitcoin private key in hexadecimal format. The 64 character hex string is then encoded to a Base58 Private Key, more commonly ...
m1xolyd1an's user avatar
  • 5,666
4 votes

Coinbase to Block Chain Transfer Delay

Since there is no dispute about the address, you can check whether the transaction has confirmed on any of the blockchain explorers freely available, such as blockexplorer.com or the aforementioned ...
Murch's user avatar
  • 76.3k
4 votes

Bitcoin address does not show transaction/balance from Coinbase purchase

I'm no expert but I'm a user of coinbase and noticed there's a mistake in ScripterRon's answer. The first transaction moves the coins from an address controlled by Coinbase to a new address ...
Wadih M.'s user avatar
  • 151
4 votes
Accepted

Off-chain transactions with Coinbase

From the perspective of the Bitcoin network, Coinbase owns both the Bitcoins you transferred in, and the Bitcoins they sold to you. This is useful from a technical perspective, because Coinbase can ...
Nick ODell's user avatar
  • 29.4k
3 votes

How to transfer bitcoin bought online to my desktop wallet?

I did this today and the procedure is currently (2017-10-31) as follows (Electrum 2.9.3): Prepare Electrum to receive * Make sure Electrum is online (green icon bottom right) * Click 'Receive' and ...
Herbert Van-Vliet's user avatar
3 votes
Accepted

What exactly does the "fraud management system" of blockchain checks?

Bitcoin is focused on assuring that the payment is legit. It doesn't help at all with the payer. Waiting for confirmations gives you very strong assurance that the payment is genuine and final, and ...
Nate Eldredge's user avatar
3 votes

Coinbase to Block Chain Transfer Delay

If it is showing up on Coinbase but not on blockchain, there's only two possibilities. You sent to the wrong address. Check the address you sent to in blockchain.info. It should show up with your $...
Whyte the Weeabear's user avatar
3 votes

Online exchange bitcoin balance to hardware wallet

Generate an address on the hardware wallet. Then log in to your web wallet account and send all your coins to that address. That's all.
Nate Eldredge's user avatar
3 votes
Accepted

Why does coinbase make 2 transfers instead of one

When you receive money, a UTXO (unspent transaction output) is generated and assigned to your address. When you want to spend money, you can only ever spend entire UTXOs. However, you may have ...
UTF-8's user avatar
  • 3,224
3 votes

Off-chain transactions with Coinbase

Yes, you have a fully custodial account on Coinbase, thus Coinbase is holding your bitcoins for you. When a customer buys bitcoins or receives a payment from another customer of Coinbase, Coinbase ...
Murch's user avatar
  • 76.3k
3 votes
Accepted

Can bitcoins be traced to scammers

Bitcoin allows users to transact pseudonymously, so there is no data contained within the blockchain record itself tied to an identity. This is by design, anything else would be terrifyingly Orwellian....
chytrik's user avatar
  • 18.3k
3 votes

Address not valid when withdrawing money from Binance

Note: You cannot withdraw to a bitcoin wallet as it is an entirely different network. You would need to install a wallet that supports the so called "Vibrate" cryptocurrency, then use that to ...
Jonathan Cross's user avatar
3 votes
Accepted

How do I find out who sent me Bitcoin?

In Bitcoin, it is generally not possible to attribute transactions to a single person without external knowledge of someone claiming that they made the transaction. There are no "from" ...
Ava Chow's user avatar
  • 71.1k
2 votes

Is mining necessary for the transaction

Mining is necessary to create bitcoins, which happens with a coinbase transaction. But they can be transferred from person to person after that without mining. (Mining is still used to confirm those ...
Nate Eldredge's user avatar
2 votes

Which online wallet has the least transaction fees?

Fees are calculated by adding the number of the unspent inputs used then multiplied by how much fees you would use with each unspent inputs. So, in other words, fees are calculated in satoshi per ...
Chiheb Nexus's user avatar
2 votes

Can I exchange BTC from CoinBase?

Transfer the money to a wallet you control from time to time so you don't let too much of your money lay around on some service on the internet. There are videos explaining how to use a wallet ...
UTF-8's user avatar
  • 3,224

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