September 2025: Stability and data integrity improvements for cake_wallet focusing on Silent Payments UTXO handling. Delivered a critical bug fix to ensure UTXOs are saved/updated correctly and unspent outputs are preserved when reopening the wallet, alongside targeted code refactors of _setListeners and _handleScanSilentPayments to better handle rescan heights and UTXO processing. Commit 68a5821ad7c9f1eed101238b598a86714517fb00 resolves the #2472 issue: 'Cw 1127 sp utxos not updated saved correctly'. Impact includes improved accuracy of UTXO state, fewer user-reported discrepancies, and more robust silent payment workflows. Skills demonstrated include debugging, code refactoring, and blockchain UTXO management.

Concise monthly summary for 2025-08: Implemented Silent Payments (SP) in the Bitcoin wallet with full UI integration, enhanced transaction details, and robust SP handling and synchronization, delivering a practical and maintainable SP experience for users. The work included improved SP observability and maintainability through dedicated debugging/log viewing.

July 2025 monthly summary for cake_wallet: Delivered Silent Payments Enhancements and Cross-Crypto Validation as a consolidated feature. Key improvements include a library upgrade that increases scanning reliability, transaction dating derived from block data for accurate history, and cross-cryptocurrency address validation for Bitcoin and Litecoin across mainnet and testnet. Also improved saving of wallet data, more reliable transaction history updates, and a dust/minimum-value safeguard for silent payments in Bitcoin.