<p>The current <code>wallet.dat</code> file increases because you add new keys when you refill your keypool (get new addresses) or if you receive or send transactions. Mind that every wallet-relevant transaction is stored (together with some metadata) in your wallet.dat.</p>

CC BY-SA 3.0
2015-07-28T06:18:46.940Z
2015-07-28T06:18:46.940Z
Jonas Schnelli
<p>Why does the size of the output of</p>

<p>     <code>bitcoin-cli</code><a href="https://bitcoin.org/en/developer-reference#backupwallet" rel="nofollow"><code>backupwallet</code></a></p>

<p>or, equivalently, <code>wallet.dat</code></p>

<p>increase over time?</p>

<backup><wallet.dat><keypool>
Why does my wallet size increase over time?
Geremia
# Why does my wallet size increase over time?

(Asked by: username_0 on 2015-07-28)

Why does the size of the output of

`bitcoin-cli`[`backupwallet`](https://bitcoin.org/en/developer-reference#backupwallet)

or, equivalently, `wallet.dat`

increase over time?

**Tags:** backup, wallet.dat, keypool


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## 1 answers

### Answer by username_1 on 2015-07-28. Score: 2 | Accepted answer

The current `wallet.dat` file increases because you add new keys when you refill your keypool (get new addresses) or if you receive or send transactions. Mind that every wallet-relevant transaction is stored (together with some metadata) in your wallet.dat.


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