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What’s in a crypto address?

You are unique. From your fingerprints to your experiences, everything about you is individual. The same is true of your activity on the blockchain. And, as such, you need a one-of-a-kind crypto address for your funds. But what makes a crypto address so recognizable? 

A crypto address is a unique identifier. It is the starting point for managing, sending, and receiving crypto funds. You can think of it as a user’s pseudonym. For example, famous artists don’t use their legal names in public because it makes them a target for malicious attacks. The situation is somewhat similar for crypto enthusiasts. By using public key addresses, they protect their anonymity. 

The cast of characters  

A crypto address is a long string of alphanumeric characters. But an example would be better than a description.  


It might look like a cat just ran across the keyboard, but this really is what a crypto address looks like.  

You can think of it as a bank account number. If you want someone to transfer funds to your account, you need to share your number.  

But crypto addresses operate differently. For a start, bank accounts do not use the same level of cryptography. 

The public and the private 

Crypto addresses are also known as public key addresses. This is because Public Key Cryptography is used to implement an algorithm that secures transactions between addresses. The algorithm incorporates two keys, one public and one private.  

Crypto addresses are generated by a public key. This public key is generated by the relevant private key, which is more like a pin code or a password. These levels of security give users more protection for their funds. It’s like hiding your cryptocurrencies inside a matryoshka. And just like the Russian dolls, the keys are all connected. Powerful cryptographic algorithms mathematically link all of the keys.  

Crypto address features  

Crypto addresses are often compared to email addresses, account numbers, and PO boxes. But in truth, there is no direct comparison. They are more versatile than they appear. Let’s look at some of their features. 

  • Created offline 

For a start, you can generate crypto addresses with free software that does not require an internet connection. The benefit of this is enhanced security. Internet connections can be compromised, and malware can infect personal computers and remain hidden for some time: no internet connection, no risk. 

  • Multiplicity 

Crypto address software can generate multiple addresses for one public key. Users can receive funds with a different address for every transaction. This reduces the chance of malicious behavior, like changing your email password every couple of weeks.  

  • Multi-signature 

A single public key address can be linked to multiple private keys. Think of these private keys as a board of trustees. To spend funds with the corresponding public key address, all or most signatures are required. This is how multisig wallets operate.  

  • Precision  

With so many security protocols, hackers will likely encounter more problems when attacking addresses. But this also applies to the owner of the address. It is important to remember that addresses are case-sensitive, and one error can be disastrous. Bitcoin software can reject a transaction that includes only one minor typo.  

  • Format  

Each cryptocurrency has a particular address format. This is dictated by the blockchain protocol it operates on. For now, let’s focus on Bitcoin. Its public key addresses range from 26-35 characters long. This depends on the format. These are the three most popular types operating on its blockchain: 

  • P2PKH 

This is Bitcoin’s original address format. The first digit of these addresses is always the number one.  

Here’s an example: 1BvBMSEYstWetqTFn5Au4m4GFg7xJaNVN2. 

  • P2SH 

Unlike the similarly structured P2PKH, this address allows more elaborate functionality. These addresses begin with the number three.  

Here’s an example: 3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy. 

  • Bech32  

This is a Segregated Witness (SegWit) address format. SegWit is a protocol upgrade designed to increase block size and improve transaction validation. Each Bech32 address begins with “bc1”.  
Here’s an example: Bech32: bc1qar0srrr7xfkvy5l643lydnw9re59gtzzwf5mdq. 

Every cryptocurrency should provide its users with all of the address features listed above. Bitcoin Vault is no different.  

Bitcoin Vault (BTCV) 

Bitcoin Vault is a project primarily focused on delivering enhanced security solutions. As you would expect, the project offers its users all the most useful address formats.  

But how can you recognize the difference between BTC and BTCV addresses?  

Well, BTCV’s addresses begin with different characters, as shown below. 


Description automatically generated with medium confidence

Key takeaways 

There are many potential pitfalls in the crypto world. But users can avoid unwanted errors and attacks by correctly managing crypto keys and addresses. These complex alphanumerical strings are highly versatile, safeguarding against malicious behavior while providing more transaction options. But it is important to double-check every input because one mistake can be costly.