invalid lines found electrum, System Error Codes (12000-15999)

There was a time when 5% of Bitcoin miners mined invalid blocks. It was found that many miners were digging without verifying the block, resulting in more and more people building new blocks on invalid blocks, wasting the corresponding calculation power, more likely to lead to 51% attack.

$dir - "$homedir/.electrum/wallets"

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Electrum LTC wallet.

Electrum LTC wallet.

To use mnomets to transfer addresses from electrum wallets to web wallets, you need to set Electrum to be compatible with Qtum phone mnomets in the initial installation (and then use phone wallet mnomets to restore phone wallets on Electrum). This setting is screenshot of the Electrum configuration.

Chain News, lightweight Bitcoin Wallet Electrum announced that the next version will support Lightning network payment, implemented using Python, Electrum as a Lightning network node, wallet users do not need to run lightning network nodes to make payments, electrum lightning network nodes have been merged into the Electrum master branch.

By default, electrum wallets are randomly connected to a set of Electrum servers. From a privacy perspective, this is not a good thing because it discloses your wallet address and balance to unknown third parties. And unfortunately, many public Electrum servers are run by individuals or groups of blockchain analytics companies or worse. Therefore, if you are using an Electrum wallet, it is generally recommended that you run your own Electrum server and then connect the wallet to that server.

Wallet Qtum Electrum

Wallet Qtum Electrum

At this time, the SPV-based Electrum wallet became the new favorite of Bitcoin players. Especially for small partners who are new to Bitcoin, editors recommend using electrum wallets.

Electrum is a popular software wallet that works by connecting to a dedicated server. These servers receive a hash of the Bitcoin address in the wallet and reply with transaction information. Electrum Wallet is fast and has few resources, but by default, it connects to these servers and can easily monitor users. In addition to Electrum, some other software uses public Electrum servers. By 2019, it is a faster and better alternative to BIP37.

Dash releases Dash Electrum 3.3.8.4 version

Lightweight Bitcoin Wallet Electrum announced that the next version will support Lightning network payments, implemented with Python, an electrum network node where wallet users do not need to run Lightning network nodes themselves to make payments, and electrum's Lightning network nodes have now been merged into the Electrum master branch.

Star Daily News Bitcoin Wallet Electrum official Twitter announced that the next version of Electrum will support Lightning online payments. Its lightning node implementation has been consolidated into the main branch of Electrum. Electrum also confirmed that the wallet will adopt a new implementation of in-house development written using Python. (Cointelegraph)

However, in Optimistic Rollup, the behavior of the authenticater is not restricted, so the user must monitor the invalid transactions themselves, and if an invalid transaction is found, a fraud certificate needs to be submitted to the main network. These fraud certificates will roll back invalid transactions and all valid transactions that have occurred since then.