The private key associated with a blockchain is the sole means of linking a cryptocurrency asset to its owner, and any loss or compromise of this key could result in significant consequences. Generally, crypto-wallets suggest a private key created from a string of words, which can be stored in a private record such as a piece of paper. The fact that the private record holds the secret words and can leak the private key poses security concerns. In addition, private records are susceptible to the risk of getting lost or destroyed, resulting in loss of assets. Furthermore, clients lack complete control over generating their private key, as the wallet itself creates it. Our approach enables clients to securely generate and manage their own private keys, minimizing the risk of key loss. We developed an open-source technique allowing clients to employ memorized secrets to store and retrieve their private keys. We utilize Bloom filters using hash functions, such as SHA-256, to store and retrieve the private key from the Bloom filter.