What is bitcoin public key for
Publish: 2021-04-25 16:47:56
1. I'll give you my address (address). You can find my zip code (public key). You can write to me with my zip code (public key) + address. The mail will be sent to my mail cabinet. I'll open the mail cabinet (private key) with the key I have. The key of express cabinet is stored in my wallet (wallet)
1. The mail cabinet is stolen (the database is stolen)
2. The key is stolen (the private key is stolen)
3. Knowing my home address (the public key is stolen), the lock of the mail cabinet is opened violently (the private key is cracked violently).
1. The mail cabinet is stolen (the database is stolen)
2. The key is stolen (the private key is stolen)
3. Knowing my home address (the public key is stolen), the lock of the mail cabinet is opened violently (the private key is cracked violently).
2. The private key is your bank card password, and the address is your bank account number, but the private key is more important. With the private key, you can push out the address. If you forget the private key, you will lose everything. The signature is personalization, plus a verification procere. The wallet is a small ATM, which can be sent after the update. If the wallet file is saved, it will be OK. BTC China is OK, and you can buy money.
3. Public private key is peer-to-peer encryption. You can see RSA encryption
only the private key can decrypt the content encrypted by the private key
only the public key can decrypt the content encrypted by the private key
here, the public key is your bitcoin ID, and the private key is your wallet
when using bitcoin, you should take care of your wallet, and you'd better encrypt it with a password, You can use your bitcoin
there are many bitcoin trading platforms on the Internet, and you can find a lot of them by Google search
generally, you need to mine bitcoin, and there are also mining platforms on the Internet, but now the income is low, and the display card is burned
only the private key can decrypt the content encrypted by the private key
only the public key can decrypt the content encrypted by the private key
here, the public key is your bitcoin ID, and the private key is your wallet
when using bitcoin, you should take care of your wallet, and you'd better encrypt it with a password, You can use your bitcoin
there are many bitcoin trading platforms on the Internet, and you can find a lot of them by Google search
generally, you need to mine bitcoin, and there are also mining platforms on the Internet, but now the income is low, and the display card is burned
4. Bitcoin is a kind of digital currency. Bitcoin can only be regarded as an electronic commodity in China. Bitcoin has become a legal currency in Germany. Bitcoin can be regarded as a collection. Collectors regard bitcoin as priceless, while non collectors regard bitcoin as worthless characters.
5. The digital signature of bitcoin is an anti-counterfeiting string generated only by the transferor of bitcoin transfer. By verifying the digital string, on the one hand, it proves that the transaction is initiated by the transferor, on the other hand, it proves that the transaction information has not been changed in the transmission
digital signature shortens transaction information to a fixed length string through digital digest technology. For example, when Niuniu initiates a bitcoin transfer, it needs to first digest the transaction into a string, and then encrypt the digest with its own private key to form a digital signature. After the completion, Niuniu needs to broadcast the original (transaction information) and digital signature to the miner, and the miner uses Niuniu's public key for verification. If the verification is successful, it means that the transaction is indeed sent by Niuniu, and the information has not been changed
at the same time, the private key encrypted by digital signature is inconsistent with the public key decrypted by digital signature, so asymmetric encryption technology is adopted. It looks so complicated. In fact, you only need to input the private key to complete the transfer instantly!
digital signature shortens transaction information to a fixed length string through digital digest technology. For example, when Niuniu initiates a bitcoin transfer, it needs to first digest the transaction into a string, and then encrypt the digest with its own private key to form a digital signature. After the completion, Niuniu needs to broadcast the original (transaction information) and digital signature to the miner, and the miner uses Niuniu's public key for verification. If the verification is successful, it means that the transaction is indeed sent by Niuniu, and the information has not been changed
at the same time, the private key encrypted by digital signature is inconsistent with the public key decrypted by digital signature, so asymmetric encryption technology is adopted. It looks so complicated. In fact, you only need to input the private key to complete the transfer instantly!
6.
7. Truth of bitcoin:
1. Who benefits the most from researching and hyping bitcoin
2. In essence, it's USA's Intel, NVIDIA, amd + ATI
3. Bitcoin requires a huge amount of CPU, GPU, memory, motherboard, power supply, wire and venue
4. Since the speculation of bitcoin, the sales of CPU, GPU, memory, motherboard, power supply and wire are the highest
5. It's the CPU and GPU instry of USA that really make a big profit, while the retail and service of other countries are just middlemen making a difference
6. The plan to hype bitcoin: it boosts the high-end, core and basic chip instry capacity of USA. other countries are compradors
7. Harm: lose the ability to develop domestic high-end, core and basic chips, and become a retailer that can only sell chips for USA.
1. Who benefits the most from researching and hyping bitcoin
2. In essence, it's USA's Intel, NVIDIA, amd + ATI
3. Bitcoin requires a huge amount of CPU, GPU, memory, motherboard, power supply, wire and venue
4. Since the speculation of bitcoin, the sales of CPU, GPU, memory, motherboard, power supply and wire are the highest
5. It's the CPU and GPU instry of USA that really make a big profit, while the retail and service of other countries are just middlemen making a difference
6. The plan to hype bitcoin: it boosts the high-end, core and basic chip instry capacity of USA. other countries are compradors
7. Harm: lose the ability to develop domestic high-end, core and basic chips, and become a retailer that can only sell chips for USA.
8. 1. Wallet encryption is to store the private key automatically. The official bitcoin client supports wallet encryption since version 0.4.0. The encrypted wallet will prompt you to enter your password every time you pay. If the password is wrong, the client will refuse to pay
2. If you replace it with the earliest backup wallet (wallet. DAT), you can still trade normally. Considering the principle of bitcoin, it can be concluded that as long as there is a private key (wallet), you can prove that you are the legitimate owner of the wallet. No matter whether you encrypt or delete the wallet (the core is the private key corresponding to an address), you can't deny it
3. When backing up the bitcoin wallet, you should also pay attention to the existence of the change mechanism of bitcoin payment (for example, if you send 50 BTC in a complete 100 BTC to an address, the system will send 50 BTC to the other party's address, and return 50 BTC to a new address of your client, which will not be directly displayed in your address list)
4. After sending bitcoin to other addresses 100 times or using 100 different addresses to receive bitcoin, please back up your wallet again, otherwise the returned and received bitcoin will be lost forever. In addition to encrypting wallets, users can also generate offline paper wallets and brain wallets.
2. If you replace it with the earliest backup wallet (wallet. DAT), you can still trade normally. Considering the principle of bitcoin, it can be concluded that as long as there is a private key (wallet), you can prove that you are the legitimate owner of the wallet. No matter whether you encrypt or delete the wallet (the core is the private key corresponding to an address), you can't deny it
3. When backing up the bitcoin wallet, you should also pay attention to the existence of the change mechanism of bitcoin payment (for example, if you send 50 BTC in a complete 100 BTC to an address, the system will send 50 BTC to the other party's address, and return 50 BTC to a new address of your client, which will not be directly displayed in your address list)
4. After sending bitcoin to other addresses 100 times or using 100 different addresses to receive bitcoin, please back up your wallet again, otherwise the returned and received bitcoin will be lost forever. In addition to encrypting wallets, users can also generate offline paper wallets and brain wallets.
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