--- title: "Assume that Manual Work in a Ledger Is Impossible" url: https://daily.dev/posts/assume-that-manual-work-in-a-ledger-is-impossible-d3lwzbjww source_url: https://news.alvaroduran.com/p/assume-that-manual-work-in-a-ledger type: article source: "The PayEng Playbook" published: 2026-08-05T10:31:37.535Z updated: 2026-08-05T10:31:58.508Z tags: ["fintech"] reading_time: 6 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Assume that Manual Work in a Ledger Is Impossible **[The PayEng Playbook](https://daily.dev/sources/alvaroduran)** · 6 min read · 0 upvotes · 0 comments ## Summary Financial ledgers that allow backdated entries create a critical problem: the same account balance query can return different results depending on when it's run. This inconsistency can cause serious legal and audit issues. The solution is versioned reads — each account carries an integer version that increments with every new entry, and entries store the account version at insertion time. This allows any historical balance to be reproduced exactly as it appeared at a given point in time, regardless of later backdated corrections. The post distinguishes between Recording ledgers (data consolidation, eventually consistent) and Authorizing ledgers (gatekeeping), noting that read versioning is essential for Recording ledgers once stakeholders depend on them to explain what the company knew at a specific moment. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Why Optimistic Locking in Ledgers Isn’t Always a Good Idea](https://daily.dev/posts/why-optimistic-locking-in-ledgers-isn-t-always-a-good-idea-o8cl8lh1z) · The PayEng Playbook · 1 upvotes · 0 comments - [You Don't Know What a Ledger is For](https://daily.dev/posts/you-don-t-know-what-a-ledger-is-for-zjdw8smrs) · The PayEng Playbook · 0 upvotes · 0 comments - [From Stock Markets To Ledgers Series, Part I](https://daily.dev/posts/from-stock-markets-to-ledgers-series-part-i-hmoijmz9l) · The PayEng Playbook · 5 upvotes · 0 comments --- Tags: [#fintech](https://daily.dev/tags/fintech) [View this post on daily.dev](https://daily.dev/posts/assume-that-manual-work-in-a-ledger-is-impossible-d3lwzbjww)