Design and Implementation of a Scalable Reward System for Bilibili Live Platform

The paper presents a scalable, message‑queue‑driven reward system for Bilibili Live that unifies diverse reward types and distribution scenarios through standardized APIs, layered fast/slow queues, idempotent processing, multi‑stage retries, and comprehensive monitoring to ensure low latency, no over‑issuance, and reliable delivery.

BilibiliIdempotencyMessage Queue

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Design and Implementation of a Scalable Reward System for Bilibili Live Platform

Yuewen Experience Design (YUX)

Feb 16, 2023 · Product Management

How a Reward Center Boosts User Engagement with Video Ads: Design Strategies and Visual Effects

This case study details how a reading app’s Welfare Center aggregates video‑ad rewards, using interaction and visual design, vitality visualizations, and spring‑based animations to keep non‑paying users active, improve the reading experience, and gradually convert them to paying customers.

FigmaProduct DesignUI design

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How a Reward Center Boosts User Engagement with Video Ads: Design Strategies and Visual Effects

ByteFE

May 23, 2022 · Backend Development

Design and Implementation of ByteDance Wallet Asset Platform for the 2022 Spring Festival Activity Across Eight Apps

The article details the architecture, challenges, and solutions of ByteDance's wallet asset platform that unified reward issuance, display, and usage across eight applications during the 2022 Spring Festival, covering high‑traffic order processing, token‑based asynchronous settlement, budget control, stability mechanisms, and future evolution.

BackendDistributed SystemsMicroservices

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Design and Implementation of ByteDance Wallet Asset Platform for the 2022 Spring Festival Activity Across Eight Apps

Xianyu Technology

Dec 15, 2020 · Backend Development

How Xianyu Built the ‘Resale Lottery’ and ‘Money Tree’ Marketing Engines

This article examines Xianyu's two promotional features—Resale Lottery and Money Tree—detailing their gameplay, underlying business models, and the backend technical solutions such as event collection, idempotent reward accounting, concurrency control, fatigue management, and distributed locking.

Backend DevelopmentConcurrency ControlEvent Processing

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How Xianyu Built the ‘Resale Lottery’ and ‘Money Tree’ Marketing Engines