Of course, I'd be happy to explain a few Bitcoin Improvement Proposals (BIPs) related to wallets. Here are three examples:

1. BIP 32 - Hierarchical Deterministic Wallets: This proposal outlines a standard for creating deterministic wallets, which means that each time the wallet generates new keys, it does so using a predetermined algorithm that lets users generate numerous private/public key pairs based on specific digital pathways.

2. BIP 39 - Mnemonic Code for Generating Deterministic Keys: Under this proposal, mnemonic keywords may be utilized for generating random data and subsequently being used in the creation of PBKDF2 salted hashes or other types of cryptography.

3. BIP 143 - Transaction Signature Verification for Version 0 Witness Programs: The introduction of segregated witness (SegWit) needed improvements with the ECDSA signatures because they remained inefficient and adversely impacted platform performance when scaling transactions by capacity linked with bandwidth.?BIP143 aimed?to lower bandwidth demand via aggregating scriptSig whose TXID correlate by introducing fixes liked fixing input ordering concerns in actual context script environment introduced within SegWit itself.

These proposals have greatly shaped BTC wallets' development over time and helped make cryptocurrency storage more functional and secure by removing different issues originally unknown during its foundation in comparison to modern exposure considerations against attacks along with advancements..