The Bitcoin Network’s Transaction Queue Breaks Another Record

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Startup times are instant because it operates in conjunction with high-performance servers that handle the most complicated parts of the Bitcoin system. Not really; the Electrum client never sends private keys to the servers. In addition, it verifies the information reported by servers, using a technique called Simple Payment Verification. Your wallet can be entirely recovered from its seed. The seed phrase created by Electrum has bits of entropy.

This means that it provides the same level of security as a Bitcoin private key of length bits. It is not possible to recover your password. However, you can restore your wallet from its seed phrase and choose a new password. If you lose both your password and your seed, there is no way to recover your money. This is why we ask you to save your seed phrase on paper.

In general, the speed of confirmation depends on the fee you attach to your transaction; miners prioritize transactions that pay the highest fees. This feature is enabled by default in recent versions of Electrum. When you freeze an address, the funds in that address will not be used for sending bitcoins. Wallet file encryption is activated by default since version 2.

It is intended to protect your privacy, but also to prevent you from requesting bitcoins on a wallet that you do not control. Yes, see Cold Storage. You should sweep them instead. If you want to import private keys electrum wallet unconfirmed breaking not sweep them, you need to create a special wallet that does not have a seed. Sweeping private keys means to send all the bitcoins they control to an existing address in your wallet. The private keys you sweep do not become a part of your wallet.

Instead, all the bitcoins they control are sent to an address that has been deterministically generated from your wallet seed. Enter the private keys in the appropriate field. That is the destination address and it will be from your existing electrum wallet. You can create a transaction with several outputs. In the GUI, type each address electrum wallet unconfirmed breaking amount on a line, separated by a comma. This might happen if you are trying to spend a large number of transaction outputs for example, if you have collected hundreds of donations from a Bitcoin faucet.

When you send Bitcoins, Electrum looks for unspent coins that electrum wallet unconfirmed breaking in your wallet in order to create a new transaction. Unspent coins can have different values, much like physical coins and bills.

If this happens, you should consolidate your transaction inputs by sending smaller amounts of bitcoins to one of your wallet addresses; this would be the equivalent of exchanging a stack of nickels for a dollar bill.

The gap limit is the maximum number of consecutive unused addresses in electrum wallet unconfirmed breaking deterministic sequence of addresses. Electrum uses it in order to stop looking for addresses. Electrum will generate new addresses as you use them, until it hits the gap limit. If you need to pre-generate more addresses, electrum wallet unconfirmed breaking can do so by typing wallet.

This command will generate one new address. Note that the address will electrum wallet unconfirmed breaking shown with a red background in the address tab to indicate that it is beyond the gap limit. The red color will remain until the gap is filled. Addresses beyond the gap limit will not automatically be recovered from the seed.

For example, if you wanted to generate 50 addresses, you could do this:. To upgrade Electrum, just install the most recent version. The way to do this will depend on your OS. Note that your wallet files are stored separately from the software, so you can safely remove the old version of the software if your OS electrum wallet unconfirmed breaking not do it for you.

For this reason, it is not recommended to downgrade Electrum to an older version once you have opened your wallet file with the new version. The older version will not always be able to read the new wallet file. Frequently Asked Questions How does Electrum work? Does Electrum wallet unconfirmed breaking trust servers? What is the seed? How secure is the seed? I have forgotten my password. What can I do? My transaction has been unconfirmed for a long time.

How is the wallet encrypted? Does Electrum support cold wallets? Can I import private keys from other Bitcoin clients? Can I sweep private keys from other Bitcoin clients? Where is my wallet file located? Can I do bulk payments with Electrum? Can Electrum create and sign raw transactions? Electrum freezes when I try to send bitcoins.

What is the gap limit? How can I pre-generate new addresses? How do I upgrade Electrum? If you have made a transaction that is unconfirmed, you can: Wait for a long time. Eventually, your transaction will either be confirmed or cancelled. This might electrum wallet unconfirmed breaking several days. Increase the transaction fee. A window will popup with the unsigned transaction. A CPFP is a new transaction that pays a high fee in order to compensate for the small fee of its parent transaction.

It can be done electrum wallet unconfirmed breaking the recipient of the funds, or by the sender, if the transaction has a change output. The private keys are decrypted only briefly, when electrum wallet unconfirmed breaking need to sign a transaction; for this you need to enter your password. In addition, your wallet file may be encrypted on disk.

Note that the wallet information will remain unencrypted in the memory of your computer for the duration of your session. If a wallet is encrypted, then its password will be required in order to open it. Note that the password will electrum wallet unconfirmed breaking be kept in memory; Electrum does not need it in order to save the wallet on disk, because it uses asymmetric encryption ECIES.

You will need to back up this wallet, because it cannot be recovered from a seed. Amounts are in the current unit set in the client.

The total is shown in the GUI. For example, if you wanted to generate 50 addresses, you could do this: Some Electrum upgrades will modify the format of your wallet files. The following issues should be considered when upgrading Electrum 1.

Please allow it time to complete, and expect it to take a little longer than usual for Electrum to be ready. The contents of your wallet file will be replaced with an Electrum 2 wallet. This means Electrum 1. This is expected behavior. Restart Electrum 2 after the upgrade is complete and your addresses electrum wallet unconfirmed breaking be available.

Offline copies of Electrum will not show the addresses at all because it cannot synchronize with the network. You can force an offline generation of a few addresses by typing the following into the Console: Read the Docs v:

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Bitcoin is becoming more and more popular. The amount of transactions per day is increasing and is at an all times high:. While this is good news, it also has its downsides. Because the size of each mined block is fixed to 1MB, the amount of transactions per block is limited.

There is a lot of debate whether this should be changed. The consequence in the current system is that not all submitted transactions can be processed quickly. The time until a transaction is confirmed can therefore become rather long. Fortunately, the bitcoin network is based on market principles. The invisible hand takes care of this issue: By adding higher processing fees to your transaction you can make sure that it receives higher priority. It is even possible that it will never get confirmed.

Recently, I experienced this case myself. My transaction was stuck for more than 24 hours because my wallet software, Electrum, was outdated. It proposed a way too low fee for the transaction and since I never had to change the default in the past, I just submitted it. After a few hours, I lost my hope that the issue will resolve itself. So I started reading up on solutions and came along quite a few:. For me, only the last method was practicable and this will often be the case.

I found some pretty decent descriptions of the method here and here. However, applying the method in the practice with Electrum was somewhat tricky. Therefore, I offer a more detailed step by step how-to here. The basic idea is to create a new transaction which uses part of your unconfirmed transaction as an input. This transaction should have an elevated fee. For miners to confirm it they will also have to include the previous, unconfirmed transaction into the block.

If the fee of the second transaction is high enough to compensate for both transactions, miners will willingly do this.

Just spend some of the received coins or send to yourself with an extra juicy fee. This is because most of the time some amount of the transaction gets back to you as "change". You can see this by looking at transaction details and checking the outputs. This will take you to the "Send" tab where the "From" field already includes the correct input. Notice that usually Electrum determines the inputs automatically and hides the "From" field. Otherwise, skip the next step and come back to it after reading on.

Go on and enter one of your receiving addresses in the "Pay to" field. Additionally, make sure to add an appropriate fee for the transaction. This is the crucial part! To determine the fee go to https: Now, find out the combined size of both your transaction. For your unconfirmed one, go back to the "history" tab and check the "size" field in the details. For the current one, click the "Preview" button. Add those numbers and multiply by the recommended fee per byte.

This gives you a good idea of the total fee you should now enter in Electrum. If there is no field to enter a fee manually but only a slider, make sure to check the "Edit fees manually" box in the preferences. Sign and broadcast your transaction. Now you know how to resolve unconfirmed transactions with Electrum. As a next step, I recommend to update your wallet software.

Most recent versions recommend an appropriate dynamic fee for every transactions. With that, unconfirmed transactions should be a thing of the past. Toggle navigation Data Dive. About Alexa Analytics How-to Python.