Because the standard says so.
/// @dev This emits when ownership of any NFT changes by any mechanism.
/// This event emits when NFTs are created (`from` == 0) and destroyed
/// (`to` == 0). Exception: during contract creation, any number of NFTs
/// may be created and assigned without emitting Transfer. At the time ...
As mentioned in the question you linked, the mnemonic phrase was set to undefined. Another user was likely running into the same issue, causing the same mnemonic phrase to be used multiple times. This was not a collision in a randomly generated mnemonic phrase.
24 word long mnemonic phrases are generated from 256 bits of entropy, which is the same length as ...
Ethereum seed phrases are based on BIP-39 standard. You can import the same seed phrase across multiple wallets. Some wallets might support only 12 or 24 word versions, but MyEtherWallet and MyCrypto support all formats.
You also have multiple questions in one question. It is not possible to mark questions answered. I suggest you open one question per ...
You can find the download button to your wallet backup in the
"Account" section on your homepage. To interact with the wallet backup
file, you can use the open-source "LocalCryptos Wallet Backup
Explorer" tool provided
Which points to this tool -> https://...
HD Wallets refer to Hierarchical Deterministic wallets. These wallets can generate multiple "child" keys from a master seed using a derivation algorithm. The seed is generated from a collection of words, usually 12 or 24.
A keystore file contains an encrypted private key.
MEW Wallet is the mobile application.
The transfer fee depends on the used gas price. You are free to set any gas price you want, for your transaction, but if you want your transaction processed in a reasonable timeframe you have to set a reasonable gas price for it.
The current gas prices and their respective costs can be seen for example at https://etherscan.io/gastracker . An average ERC20 ...
You can use the MetaMask vault decryptor tool to decrypt your vault. Simply copy the contents of the file in the vault data field, enter your password, and click on "Decrypt". You should be able to see your decrypted vault data (including the seed).
You can find instructions for using the vault decryptor here: https://metamask.zendesk.com/hc/en-us/...
You should be able to load up your wallet fine with no issues on MyCrypto. We have a desktop version to download from our website. Full instructions on how to load it is listed here: https://support.mycrypto.com/how-to/accessing-wallet/how-to-access-your-wallet-with-keystore-file
Hope this helps and if you encounter any errors along the way - feel free to ...