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-...
- 102k
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The last stats Bitpay published were in December, 2014, so it may be somewhat out of date.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 ...
- 453
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-...
- 181
7
votes
Limit order versus Market order
In a limit order, you specify how much of the asset (in this case BTC) you want to buy or sell, and the price you want. If there are matching orders on the book (e.g. someone who wants to sell at the ...
- 23k
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 ...
- 86
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/...
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 ...
- 76
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 ...
- 23k
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 ...
- 18k
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 ...
- 102k
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.
...
- 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/
- 191
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 ...
- 68.6k
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 ...
- 788
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 ...
- 73k
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 ...
- 151
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 ...
- 73k
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 ...
- 5,596
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 ...
- 29.3k
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 ...
- 23k
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 $...
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.
- 23k
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 ...
3
votes
Accepted
Is it safe to authorize Coinbase to withdraw cash directly from my bank account?
They don't need your password to process the ACH in the future. this sounds like they used your banking credentials to verify that it really is your account. You should be able to change your ...
- 250
3
votes
Coinbase wallet address listed as spent without spending
You don't have a Coinbase wallet address, you have a Coinbase deposit address that's used to deposit bitcoins into your wallet. Coinbase sweeps funds from deposit addresses into their secure holding ...
- 51.5k
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 ...
- 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 ...
- 73k
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....
- 18k
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 ...
- 1,410
2
votes
Coinbase wallet address listed as spent without spending
I don't use coinbase, but Xapo does exactly what you describe. They instantly transfer the funds to another wallet and move them around. Probably some algos deciding what goes into cold storage and ...
- 399
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