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101 lines
4.5 KiB
Markdown
101 lines
4.5 KiB
Markdown
{% include disclaimer.html translated="no" translationOutdated="no" %}
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### Table of contents
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- [What is the wallet restore height?](#what-is-the-wallet-restore-height)
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- [Why Monero wallets have a restore
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height?](#why-monero-wallets-have-a-restore-height)
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- [What happens if I set a wrong restore
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height?](#what-happens-if-i-set-a-wrong-restore-height)
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- [How to change the wallet restore height on Monero
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GUI](#how-to-change-the-wallet-restore-height-on-monero-gui)
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- [My wallet is showing a wrong balance after changing the restore
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height](#my-wallet-balance-is-wrong-after-changing-the-restore-height)
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### What is the wallet restore height?
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The wallet restore height is a setting that tells the wallet software from
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which block it should start scanning the @blockchain when looking for
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@transactions, a process that is known as wallet synchronization. Ideally it
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should be the number of the block which included the first incoming
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transaction to your wallet.
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### Why Monero wallets have a restore height?
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Unlike most @cryptocurrencies, all transactions included in the Monero
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blockchain are encrypted. Therefore, your wallet software has to use its
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private @view-key to locate the transactions destined for you on the
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blockchain. The process of scanning the Monero blockchain looking for
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transactions is known as wallet synchronization and it demands a lot of
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computing resources.
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Setting a restore height makes your wallet synchronization faster, because
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the wallet software will not start the blockchain scanning at the beginning
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of Monero (April 2014), but at the time of the restore height.
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### What happens if I set a wrong restore height?
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If you set a restore height higher than the block height of your first
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incoming transaction, your wallet software will not detect all transactions
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of your wallet. In consequence, your balance will be wrong and your wallet
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software will not work properly.
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If you set a restore height lower than the block height of your first
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incoming transaction, your wallet software will scan unnecessary blocks. In
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consequence, your initial wallet synchronization will take longer than
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necessary, but your wallet software will still work.
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Therefore, if you're unsure about the block height of your first incoming
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transaction, it's always better to set a lower restore height instead of a
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higher one.
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### How to change the wallet restore height on Monero GUI
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1) Go to `Settings` > `Info` page. On `Wallet restore height:`, click on
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`(Change)`.
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<img src="/img/resources/user-guides/en/change_restore_height/change_wallet_restore_height.png" style="width: 593px;"/>
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2) Next, enter your new restore height, which should be the number of the
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block in which your first incoming transaction was included. If you have
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the transaction ID (txid) of the first incoming transaction, you can
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enter it in a [block explorer]({{site.baseurl}}/resources/tools/) to
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check in which block it was included.
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<img src="/img/resources/user-guides/en/change_restore_height/set_new_restore_height-height.png" style="width: 417px;"/>
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If you don't know the block number of the first incoming transaction to your
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wallet, you can enter its date or an estimated date (YYYY-MM-DD format).
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<img src="/img/resources/user-guides/en/change_restore_height/set_new_restore_height-date.png" style="width: 417px;"/>
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Click on `Ok` button to continue.
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3) Next, a dialog window will appear informing that your current wallet
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cache will clear all information stored about recipient addresses,
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transaction keys, and transaction descriptions.
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But don't worry, you will not lose any important information. Your current
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wallet cache will be stored as a backup file in the same folder of your
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wallet and can be restored later.
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Click on `Ok` button to continue.
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<img src="/img/resources/user-guides/en/change_restore_height/rescan_wallet_cache.png" style="width: 600px;"/>
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4) Your wallet will now start a new wallet synchronization, rescanning the
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blockchain starting from the new restore height*.
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Your wallet balance should be correct after the wallet synchronization is
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completed.
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*If your wallet is connected to a local node that is not yet synchronized, you will have to wait for the node synchronization to finish.
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### My wallet balance is wrong after changing the restore height
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This problem usually occurs when you set a restore height that is higher
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than the block height of the first incoming transaction to your wallet. To
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solve this issue, change the wallet restore height again using a lower
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restore height.
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