<p>Receiving funds in Bitcoin is an asynchronous and passive process. </p>

<p>A sender creates a transaction which consumes some unspent transaction outputs (UTXO) and assigns the freed-up value to newly created UTXO. A UTXO generally specifies an amount of bitcoin and some spending conditions that must be fulfilled to consume the UTXO. The most common spending condition schemas are represented with <em>addresses</em>.</p>

<p>As users of exchanges give fiat and/or cryptocurrency into custody of the exchange to gain access to the exchanges order book, the user must request a withdrawal to retrieve their funds. In the withdrawal request, the user must specify how to lock the funds which they do by providing an address from their wallet. The sending of a transaction is fully controlled by the sender: they merely sign over some of their funds to a locking script specified by the recipient in advance. The receiver's wallet does not need to sign-off, nor does it have a veto. It is therefore perfectly possible for the recipient wallet to be not connected to the internet and transcribed to a piece of paper as long as the recipient just knows how the corresponding address.</p>

CC BY-SA 4.0
2019-08-14T03:11:32.367Z
2019-08-14T03:11:32.367Z
Murch
<p>As a corollary to asking <a href="https://bitcoin.stackexchange.com/q/16599/10651">how</a> to transfer <em>from</em> cold storage, how is bitcoin first put <em>into</em> a paper, or other wallet, when it originates on an exchange?</p>

<p>My primary concern is more getting the coins <strong>out</strong> of an exchange rather than into a specific type of wallet or storage.</p>

CC BY-SA 4.0
2019-07-28T16:54:35.883Z
Just make a withdrawal to the address provided by your hardware or paper wallet? What is your confusion here?
Raghav Sood
CC BY-SA 4.0
2019-07-28T16:55:20.067Z
if it's that simple, then that was the question.
Thufir
CC BY-SA 4.0
2019-07-29T16:18:55.043Z
At 48:30 in this video, a person in Japan purchases some bitcoin that is printed on a QR code. How did that vendor know what to print? And I'm assuming that printing something didn't actually do the transfer.
https://www.amazon.com/Magic-Money-Revolution-Vivienne-Pettitt/dp/B01N9I4XLE
Phillip Senn
<exchanges><paper-wallet><coldstorage><offline><withdrawal>
how to get bitcoin off an exchange?
Thufir
# how to get bitcoin off an exchange?

(Asked by: username_0 on 2019-07-28)

As a corollary to asking [how](https://bitcoin.stackexchange.com/q/16599/10651) to transfer *from* cold storage, how is bitcoin first put *into* a paper, or other wallet, when it originates on an exchange?

My primary concern is more getting the coins **out** of an exchange rather than into a specific type of wallet or storage.

**Tags:** exchanges, paper-wallet, coldstorage, offline, withdrawal

> **Comments:**
> **username_1**: Just make a withdrawal to the address provided by your hardware or paper wallet? What is your confusion here?  
> **username_0**: if it's that simple, then that was the question.  
> **username_2**: At 48:30 in this video, a person in Japan purchases some bitcoin that is printed on a QR code. How did that vendor know what to print? And I'm assuming that printing something didn't actually do the transfer. https://www.amazon.com/Magic-Money-Revolution-Vivienne-Pettitt/dp/B01N9I4XLE  

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## 1 answers

### Answer by username_3 on 2019-08-14. Score: 1

Receiving funds in Bitcoin is an asynchronous and passive process.

A sender creates a transaction which consumes some unspent transaction outputs (UTXO) and assigns the freed-up value to newly created UTXO. A UTXO generally specifies an amount of bitcoin and some spending conditions that must be fulfilled to consume the UTXO. The most common spending condition schemas are represented with *addresses*.

As users of exchanges give fiat and/or cryptocurrency into custody of the exchange to gain access to the exchanges order book, the user must request a withdrawal to retrieve their funds. In the withdrawal request, the user must specify how to lock the funds which they do by providing an address from their wallet. The sending of a transaction is fully controlled by the sender: they merely sign over some of their funds to a locking script specified by the recipient in advance. The receiver's wallet does not need to sign-off, nor does it have a veto. It is therefore perfectly possible for the recipient wallet to be not connected to the internet and transcribed to a piece of paper as long as the recipient just knows how the corresponding address.


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