I would like to withdraw my ETC and ETH from exchance to my paper wallets.
There is just something strange. This is ETC paperwallet generator.
https://classicetherwallet.com/#generate-walletIt demands first to create a password and write it down. And addition to print the just genererated paper wallet, it demands to download and save two files
JSON File (unencrypted)
and
Keystore/JSON File (Encrypted · Mist/Geth Format · Recommended)
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In the case of ETH
https://www.myetherwallet.com/This demands also to create first a password, write it down and before printing paper wallet download one file.
Keystore File (UTC / JSON)
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I do not understand. Why these passwords and files? I have not found other cryptos to have such. Could those files to be simply printed on paper? They seem to be just text files. Or has they to be to stored on USB stick?
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This is ETH paper Wallet generator.
https://ryepdx.github.io/ethaddress.org/#/This I understand. It is like other cryptos paper wallets. No passwords, no files to be downloaded and saved. Is there available this kind of generator for ETC also?
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To check that I have access to my paper wallets, the only way is that I import the private keys to the online wallet?
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When I start online Ethereum wallet it starts synchronizing from the beginning of the blockchain. What is the way to save already done synchronization?