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Xianyu Technology
Xianyu Technology
Nov 21, 2019 · Big Data

Event-Driven Rule Engine for User Growth at Xianyu

To accelerate growth on Xianyu’s 20 million‑DAU platform, the team built an event‑driven rule engine with a SQL‑like DSL that translates user‑behavior streams into real‑time Flink/Blink queries, cutting rule development from four days to half a day and achieving sub‑5‑second processing latency.

Big DataDSLEvent Stream
0 likes · 9 min read
Event-Driven Rule Engine for User Growth at Xianyu
21CTO
21CTO
Nov 27, 2018 · Information Security

event-stream NPM Trojan: How a Bitcoin‑Mining Backdoor Sneaked In

The article explains how the popular Node.js package event-stream was transferred to a new maintainer who injected a malicious flatmap-stream module that steals Bitcoin, outlines the timeline of the supply‑chain attack, and provides steps for developers to detect and remediate the infection.

Event StreamSecuritymalware
0 likes · 6 min read
event-stream NPM Trojan: How a Bitcoin‑Mining Backdoor Sneaked In