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Resources

Engineering

What is a FedNow API? Thumbnail
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Glossary

What is a FedNow API?

Fintech Eng Challenges, Part I: Different Balance Types in a Wallet Thumbnail
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Journal

Fintech Eng Challenges, Part I: Different Balance Types in a Wallet

What is Ledger Sharding? Thumbnail
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Glossary

What is Ledger Sharding?

The Paradox of Perfect: An Intern's Take on Database Decisions Thumbnail
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Journal

The Paradox of Perfect: An Intern's Take on Database Decisions

What is ACID? Thumbnail
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Glossary

What is ACID?

How to Scale a Ledger, Part VI: Concurrency Controls, Performance, and More Thumbnail
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Journal

How to Scale a Ledger, Part VI: Concurrency Controls, Performance, and More

How to Scale a Ledger, Part V: Immutability and Double-Entry Thumbnail
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Journal

How to Scale a Ledger, Part V: Immutability and Double-Entry

How to Scale a Ledger, Part IV: Recording and Authorization Thumbnail
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Journal

How to Scale a Ledger, Part IV: Recording and Authorization

How to Scale a Ledger, Part III: Transaction Models Thumbnail
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Journal

How to Scale a Ledger, Part III: Transaction Models

How to Scale a Ledger, Part II: Mapping Financial Events Thumbnail
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Journal

How to Scale a Ledger, Part II: Mapping Financial Events

How to Scale a Ledger, Part I: Why Use a Ledger Database Thumbnail
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Journal

How to Scale a Ledger, Part I: Why Use a Ledger Database

Floats Don’t Work For Storing Cents: Why Modern Treasury Uses Integers Instead Thumbnail
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Journal

Floats Don’t Work For Storing Cents: Why Modern Treasury Uses Integers Instead

Pessimistic Locking Vs. Optimistic Locking Thumbnail
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Glossary

Pessimistic Locking Vs. Optimistic Locking

Deduplication at Scale Thumbnail
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Journal

Deduplication at Scale

Improving Build Reliability by Reducing Integration Tests Thumbnail
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Journal

Improving Build Reliability by Reducing Integration Tests

Key Ledgering Challenges for Investing Platforms Thumbnail
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Journal

Key Ledgering Challenges for Investing Platforms

What is a Reconciliation API? Thumbnail
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Glossary

What is a Reconciliation API?

Edge Cases in Complex Payment Operations Thumbnail
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Journal

Edge Cases in Complex Payment Operations

Enforcing Immutability in your Double-Entry Ledger Thumbnail
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Journal

Enforcing Immutability in your Double-Entry Ledger

How We Built Virtual Accounts Thumbnail
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Journal

How We Built Virtual Accounts

Designing the Ledgers API with Optimistic Locking Thumbnail
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Journal

Designing the Ledgers API with Optimistic Locking

Reflecting on My Internship Thumbnail
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Journal

Reflecting on My Internship