New answers tagged address-generation
1
Those are invalid addresses that don't belong to any cryptocurrency. You should file a bug report at https://github.com/Blockchair/Blockchair.Support/issues since those might even be their database secrets.
Those are of 16 bytes. My initial guess about their format would be SHA-1, but Bitcoin does not use SHA-1. Probably it's related to their database.
For ...
1
I believe there are two key decisions to be made, for your case, and essentially the second would depend on the first that is: Would your customer want control over their own funds? If so, a private/public key(s) is in order. If they don't then you can decide if you want to have separate private keys for each client or not.
What it's important in any case is ...
2
Short answer: check out BTCPay, it does what you ask. You don't have to create your own server to use it, you can just create an account on an existing instance, for example this one should be fine to being with.
Long answer: you're right when you say that one private key generates one address, but Hierarchical Deterministic (HD) wallets are made to solve ...
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