Toss news
The latest AI and developer news from Toss, with short summaries.
Visit website →In the AI era, high-performing organizations need Toss-style TPMs
Toss redefined the TPM role to solve boundary problems in the AI era.
Why Toss Payments Introduced PQC 10 Years Before Quantum Computers Arrive
Toss Payments upgraded its security protocols over 4 years and fully adopted PQC in 2026.
StarRocks Operations: Isolating Multi-Tenant Workloads with Resource Groups
Resource Groups in StarRocks were used to separate service, batch, and dashboard queries.
Introducing Toss Place's Data Bot 'PANDA': How Every Team Member Can Work Like a Data Expert
Toss Place automated repetitive queries with the AI data bot 'PANDA.'
Preparing for the Quantum Computing Era: Why Change Services 10 Years Early with Quantum-Resistant Cryptography?
Toss Payments introduced PQC into its payment services 10 years ahead of schedule without burdening merchants.
Extending Ad Frequency Capping Real-Time Aggregation to 7 Days with Apache Flink and RocksDB Tuning
Apache Flink and RocksDB tuning enabled real-time ad impression aggregation from 1 minute to 7 days.
Obsessed with Perfection - The Making of Toss Front 2
The development record of Toss's payment terminal Front 2, which obsessed over perfection to redesign NFC, replaceability, and internal structure all at once.
Layers of Time: Celebrating Time Together with Toss
Toss transformed its 1st–10th anniversary gifts into a lighting fixture that builds up layer by layer, designing an experience that celebrates time itself.
Why Toss reduced its design roles to 2
Toss consolidated its previously 6-way divided design roles into 2: Product Designer and Visual Designer.
97% Smaller, 2x Faster: How es-toolkit Surpassed 10 Million Weekly Downloads
es-toolkit is an ES Modules- and TypeScript-based utility library that replaces lodash.
Driving Execution with Metric Review
Toss Place connects metric analysis to execution through Metric Review.
Automating Service Vulnerability Analysis with LLMs #2
MCP, SAST, Multi-Agent, and Open Model were combined to improve both the accuracy and cost of vulnerability analysis.
Entering the Era of Software 3.0
LLMs can only perform real work when there is a harness and layered design in place.
Foreign User Research: Why Did Canadian User B Fail Toss Authentication
Foreign users hit walls with name formats and address input, leading them to give up on Toss sign-up and authentication.
Experiment design know-how every junior designer should know
Start with screens you can validate quickly, and test one clear hypothesis at a time.
Designing an Easy-to-Use Toss Front SDK
Toss Place used the Facade pattern to design a Toss Front SDK focused on user intent, improving developer experience and stability.
The Software 3.0 Era: Raising the Floor of Organizational Productivity through Harness
This piece proposes a strategy to level up an organization's LLM utilization capability by leveraging Claude Code's plugins and marketplace.
From Perimeter Security to Zero Trust: A Security Advancement Journey
Toss Payments introduces the phased security advancement process it built in a hybrid IDC and AWS environment.
6 Principles for Boosting Marketing Copy Click-Through Rates
Toss shared 6 principles for writing marketing copy that maximizes click-through rates without deceiving users.
Entering the Software 3.0 Era
This analyzes AI agents, the core of the Software 3.0 era, from the perspective of the existing layered architecture.