On Bitcoin21st.de, you will receive valid information on the subject of Bitcoin. All services and information on this site are provided free of charge. However, you can support the initiators and authors by using the affiliate links. The following links are exclusively linked to the original manufacturer’s pages.

Hardware Wallet – How can Bitcoin be securely stored?

Ledger Hardware Wallet, Bitcoin

Definition of Terms Ownership of Bitcoin is proven through a private key. The private key is a secret cryptographic string that corresponds to the Bitcoin address. It is required to sign transactions from the Bitcoin address and send Bitcoin. The private key should never be shared with others and should be securely stored. There are […]