# Wallets Blockchain wallet is the cryptocurrency wallet that allows user to store and manage their cryptocurrencies. It helps to provide the fund exchanging, secure transaction, privacy and is accessible from the web or mobile devices. The KardiaChain wallet will contain an important keypair such as PrivateKey and PublicKey. The Publickey is the receiving address or address which can be share or display without compromising the security. When the sender wants to send/perform a transaction to you, they will need the wallet address. KardiaChain wallet address displays at the Home screen. The Privatekey is the security key and private to the owner of the wallet. This key will be used to sign into the wallet, sign any transaction before sending cryptocurrency to the receiver. The Privatekey must never be shared and have to safeguard. If the key is compromised, the cryptocurrencies in the wallet will be lost. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.kardiachain.io/docs/archived-docs/wallet.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.