Ethereum Foundation Announces x402 Hackathon Winners: x402-sf, Cheddr Payment Channels x402, and Others Receive Awards

By: theblockbeats.news|2026/01/19 13:30:13

BlockBeats News, January 19th, the Ethereum Foundation announced the conclusion of the x402 Hackathon supported by the Developer Acceleration Team and revealed some of the winning projects, including:

x402-sf (developed by Superfluid): Introducing native end-to-end subscription payments infrastructure to the Internet;

Cheddr Payment Channels x402: Leveraging x402's payment channels for efficient circular and streaming micropayments;

x402r (developed by BackTrackCo): Providing a refund request tool for cases where x402 payments were made for data services but not delivered.

-- Price

Research has found that an exogenous increase in net inflows of stablecoins significantly widens the price deviation between stablecoins and traditional foreign exchange, leads to depreciation of the local currency, and worsens the financing conditions for synthetic dollars (i.e., increases the doll...

After two years, Hong Kong's first batch of stablecoin licenses finally issued: HSBC, Standard Chartered make the cut

The regulated entity is set to launch a stablecoin in the first half of this year.

The person who helped TAO rise by 90% has now single-handedly crashed the price again today

As long as people are around, the story continues. But once they're gone, you may not even find a worthy opponent to play against.

3-Minute Guide to Participating in the SpaceX IPO on Bitget

Bitget IPO Prime brings a rare opportunity for global users to participate in world-class unicorn IPOs, allowing ordinary users to equally access the potential economic benefits of top-tier IPOs.

Top 5 Cryptos to Buy in 2026 Q1: A ChatGPT Deep Dive Analysis

Explore the top 5 cryptos to buy in Q1 2026 including BTC, ETH, SOL, TAO, and ONDO. See price outlooks, key narratives, and institutional catalysts shaping the next market move.

How to Earn $15,000 with Idle USDT Before Altcoin Season 2026

Wondering if altcoin season is coming in 2026? Get the latest market update, and learn how to turn your idle stablecoins waiting for entry into extra rewards up to 15,000 USDT.

Can You Win Joker Returns Without Large Trading Volume? 5 Mistakes New Players Make In WEEX Joker Returns Season 2

Can small traders win WEEX Joker Returns 2026 without huge volume? Yes—if you avoid these 5 costly mistakes. Learn how to maximize card draws, use Jokers wisely, and turn small deposits into 15,000 USDT rewards.

Altcoin Season 2026: 4 Stages to Profit (Before the Crowd FOMO In)

Altcoin Season 2026 is starting — discover the 4 key stages of capital rotation (from ETH to PEPE) and how to position before the peak. Learn which tokens will lead each phase and avoid missing the rally.

Will Alt season come in 2026? 5 Tips to Spot the Next 100x Crypto Opportunities

Will altcoin season arrive in 2026? Discover 5 rotation stages, early signals smart traders watch, and the key crypto sectors where the next 100x altcoin opportunities may emerge.

The bear market has arrived, and cryptocurrency ETF issuers are also getting involved

Today's listing of MSBT is the latest landmark in this restructuring, with the influx of institutions accelerating the embrace of cryptocurrencies by traditional finance, but also diluting the liquidity of the native market.

The richest man had a quarrel with his former boss

It has become a huge uproar, as several top figures in the Chinese cryptocurrency circle have engaged in intense verbal battles and confrontations in the past 24 hours.

BTC Firm Above 70K! Saylor’s "Institutional Logic" vs. Moon’s "Retail Faith": Who is Really Harvesting the Market?

Bitcoin is holding firm above the $70,000 support level following a massive short squeeze that liquidated $427 million. As the "Four-Year Cycle" narrative shifts, the market is split: Michael Saylor’s cold, institutional "indiscriminate stacking" vs. Carl Moon’s high-energy retail "hopium." This article decodes these two polar-opposite strategies for the 2026 bull run and reveals how WEEX’s institutional-grade liquidity and AI trading tools empower every type of investor to convert market volatility into profit.

The Girl Who Created the SBTI Test: A Story of a Doomed Cyber Love, an E-Widow Ratfolk

The usefulness of the useless is the highest usefulness.

B.AI Officially Launched: Building AI Agent Financial Bedrock Platform, Driving AGI Era Business Underlying Logic

B.AI has built a complete ecosystem from the AI Service Gateway to the AI Agent Financial Base: The LLM permissionless gateway integrates top global models and a unified API in one stop; The AI Agent infrastructure, through protocols such as x402 and 8004, empowers the AI Agent with an independent wallet and autonomous transactions.

B.AI Officially Launched: Breaking Down A2A Collaboration Barriers to Unlock the Smart Body Economy's Full Potential

With its Multi-Model Intelligent Routing breaking the compute bottleneck on one hand, and the integration of x402, 8004, Skills, and BAIClaw on the other hand, B.AI has seamlessly connected the full-stack business loop of AI Agents from large-scale intelligent scheduling to financial operational capability, accelerating the arrival of the AGI era.