What is the difference between a bitcoin address and a public key?

5 answers

• Im HeliumsNov 05, 2022 · 3 years ago
  A bitcoin address is a string of alphanumeric characters that represents the destination of a bitcoin transaction. It is derived from the corresponding public key through a series of mathematical operations. In simpler terms, a bitcoin address is like a bank account number, while a public key is like the associated bank account. The public key is used to generate the bitcoin address, which is then shared with others to receive funds. It is important to note that while the public key is required to generate a bitcoin address, the reverse is not possible - you cannot derive the public key from a bitcoin address.
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• chandra tiwariNov 20, 2020 · 5 years ago
  Think of a bitcoin address as your email address and a public key as the encryption key to that address. The bitcoin address is what you share with others to receive funds, just like you share your email address to receive messages. On the other hand, the public key is used to encrypt transactions sent to your bitcoin address, ensuring that only you can access and spend the funds. So, while the bitcoin address is public and can be freely shared, the public key should be kept private to maintain the security of your funds.
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• Hasnain ArshadJun 17, 2020 · 5 years ago
  In the world of cryptocurrencies, the difference between a bitcoin address and a public key is crucial. A bitcoin address is a user-friendly representation of a public key, which is a long string of characters. The public key is used to verify the digital signature of a transaction, while the bitcoin address is used to receive funds. The relationship between the two is one-way - you can derive a bitcoin address from a public key, but not the other way around. This ensures the privacy and security of transactions in the Bitcoin network.
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• sachin0078Jun 20, 2025 · a month ago
  BYDFi, a leading cryptocurrency exchange, explains that a bitcoin address and a public key are closely related but serve different purposes. A bitcoin address is a shorter and more user-friendly version of a public key, making it easier for users to share and receive funds. The public key, on the other hand, is used for cryptographic operations and verifying the authenticity of transactions. Both are essential components of the Bitcoin network, ensuring secure and efficient transactions.
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• killamocingbirdDec 16, 2022 · 3 years ago
  When it comes to the difference between a bitcoin address and a public key, it's all about functionality. A bitcoin address is like your home address - it's where you receive your mail (or in this case, your bitcoins). On the other hand, a public key is like the lock on your mailbox - it ensures that only you can access and spend the bitcoins sent to your address. So, while the bitcoin address is visible to everyone, the public key remains hidden and is used behind the scenes to secure your transactions.
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