Credit Posting
Detailed explanation of core banking credit posting, funds availability, double-entry accounting, settlement risk, holds, and exception handling.
6 docs tagged with "ledger"
View all tagsDebit Posting
Deep-dive into core banking debit posting — ledger mechanics, memo vs. hard post, balance contention, idempotency, locking strategies, saga compensation, and production Java/Spring implementation patterns.
Debit Reversals — Ledger Accounting, ISO 8583/20022 Protocols & Distributed Sagas
Deep architectural guide to debit reversals in banking engines, double-entry immutable ledgers, ISO 8583 0400/0420 Store-and-Forward mechanisms, and distributed Saga compensation patterns.
Ledger Models - UTXO, Account, and Traditional Ledgers
Deep dive into distributed ledger design - UTXO vs account model, state commitments, double-entry bookkeeping vs blockchain, event sourcing parallels, finality, and ledger design trade-offs.
On-Us Transaction Processing — Internal Clearing, Ledger Deadlocks & Card Bypass
Comprehensive senior architectural guide to on-us transaction mechanics, direct ledger book transfers, lexicographical lock ordering to prevent deadlocks, cross-shard 2PC, and card scheme bypass routing.
Payment Returns — Interbank pacs.004 Mechanics, Return Codes & Suspense Accounting
Comprehensive senior architectural guide to payment returns in banking systems, pacs.004 ISO 20022 return mechanics, return reason codes (AC01, AC04, BE04), double-entry suspense accounting, and settlement cut-off windows.