Algorand Builders Berlin: Agentic Commerce x402 Hackathon $21,000+ prize-pool

🚀 Algorand Builders Berlin: Agentic Commerce x402 Hackathon 📅 June 6th 9:00 am – June 7th 21:00 pm📍 42 Berlin, Harzer Strasse 42, 12059 Berlin🏠 On-site event (at least one team member must be present on-site to pitch) ⚠️ IMPORTANT — LIMITED CAPACITY NOTICE Spots at the venue are strictly limited. We received a high number of applications and we will do our best effort to accommodate all participants, however please note that registering for the event does NOT guarantee a spot at the hackathon. 👉 Please come early to the venue for check-in to secure your spot at the hackathon. 👉 If you are travelling or unable to arrive early but are certain you will participate, please contact the organisers via the Algorand Berlin Telegram group to reserve your spot. 📌 Join the community to find teammates, share ideas, and stay updated:https://t.me/+GUyxFWJbL582ZjAy 🌐 Build the Future of Internet-Native Payments Join us for a 36-hour hackathon exploring x402 payments — an open payment protocol for internet-native payments built for the age of AI and autonomous agents. This event is designed to help you build real solutions to real-world problems. We’re especially interested in projects applying x402 to areas such as: agentic commerce, paid APIs, data access, DeFi tooling, RWA services, and tokenization workflows. Most importantly, we’re looking for teams committed to continuing beyond the hackathon. ⚙️ Algorand and Participating Ecosystem Partners Algorand — A high-performance Layer 1 blockchain built on Pure Proof-of-Stake, delivering ~4–5 second finality, low fees, and carbon-negative infrastructure. Algorand powers real-world financial applications, stablecoins, and scalable DeFi systems designed for institutional-grade reliability and global adoption.Quantoz — A regulated European digital money issuer behind MiCA-compliant stablecoins (EURQ, USDQ), enabling compliant on-chain payments and fiat interoperability across traditional and decentralized financial systems.Alpha Arcade — An on-chain prediction market platform on Algorand that enables data monetisation and collective intelligence through market-based forecasting and incentive alignment.Folks Finance — A core DeFi protocol on Algorand offering lending, borrowing, and liquid staking, serving as a foundational liquidity layer for the ecosystem.Plausible — The team behind Algorand’s x402 implementation and facilitator infrastructure, enabling AI agents and applications to transact over APIs. Also builders of the x402 OpenClaw plugin and tooling for agent-based payment flows. 👤 Who should join? Experienced developersFirst-time hackersEntrepreneursDesignersCurious buildersAnyone who wants to vibe-code the next big thing in payments 🧩 Two-Tier System: New & Existing Projects We’re building a diverse ecosystem and supporting builders at all stages: New Projects: Start fresh during the hackathon (no pre-built code)Existing Projects: Already building? Integrate x402, add Algorand, or extend your product (Web2 or Web3) We welcome everyone. We’ll provide: 🛠️ Workshops and technical guidance🤝 Mentorship🤖 AI tools to accelerate development⚡ A collaborative, high-energy builder environment 🤝 Team matching and networking Already have a team? Great.Have an idea but no team? Perfect.Have neither? Even better. Join the community to find teammates, share ideas, and stay updated:https://t.me/+GUyxFWJbL582ZjAy Use the Telegram group for team building, networking, and hackathon updates.We’ll actively help match people with complementary skills. 📜 Rules & Requirements 👥 Team size: 1–5 participants🌍 Remote participation: Allowed, but at least one team member must be on-site and present the final pitch🤖 AI usage: Fully allowed and encouraged — we will provide Algorand AI tooling and templates🧱 Mandatory stack: All projects must implement x402 on Algorand to qualify for prizes Submissions will be evaluated based on criteria such as technical sophistication, creativity, usability, value proposition, and potential ecosystem impact.Winners will be selected through the judging process, subject to eligibility, compliance, and verification requirements. Prize payments may be subject to agreed milestones, to be defined in collaboration with each winning team. 💰 Prize Pool 💵 $21,000+ USDC This year, we’ve increased the prize pool nearly 4× and introduced a system designed to support builders beyond the hackathon. ⚖️ New 50/50 Prize Distribution Model 50% awarded after the hackathon50% unlocked after completing a mutually agreed milestones Milestones will be defined individually (e.g. launching on Algorand mainnet). If teams choose not to pursue milestones, unclaimed funds will be reallocated to support other winning teams 🏆 Hackathon Tracks 📂 Project Categories New Projects: Code must be written during the hackathon (ideation can be done beforehand)Existing Projects: Pre-existing Web2 or Web3 projects integrating x402 on Algorand 🧠 Track 1: Agentic Commerce — $11,000 Build applications where AI agents transact over x402 on Algorand.Examples: agents that pay for services, pay-per-use API, or agent-driven marketplaces. New Projects 1st place — $2,500 ($1,250 awarded after the hackathon + $1,250 upon milestone completion)\2nd place — $2,000 ($1,000 awarded after the hackathon + $1,000 upon milestone completion)3rd place — $1,500 ($750 awarded after the hackathon + $750 upon milestone completion) Existing Projects 1st place — $3,000 ($1,500 awarded after the hackathon + $1,500 upon milestone completion)2nd place — $2,000 ($1,000 awarded after the hackathon + $1,000 upon milestone completion) 🏗️ Track 2: Infrastructure — $7,000 Build the foundational components of the x402 ecosystemExamples: facilitators, agent wallets, developer tooling, dashboards, and libraries. New Projects 1st place — $2,500 ($1,250 awarded after the hackathon + $1,250 upon milestone completion)2nd place — $1,500 ($750 awarded after the hackathon + $750 upon milestone completion) Existing Projects 1st place— $3,000 ($1,500 awarded after the hackathon + $1,500 awarded upon milestone completion) 🎯 Bonus Tracks - $3000+ Quantoz - Best EURQ/EURD implementation - 900 EURQ (900 EUR)2 prizes of 450 EURQ(EUR) eachAlpha Arcade — Monetising data via prediction markets and x402 - $10002 prizes of $500 eachFolks Finance — Best project built on top of Folks Finance xALGO - $10002 prizes of $500 each 📌 Participation Guidelines Teams must choose one main track (Agentic Commerce or Infrastructure) as their primary submission. In addition, teams may opt into one or more bonus tracks if their project aligns with those themes. We strongly encourage teams to prioritise the viability, clarity, and quality of implementation of their idea rather than trying to optimise for the maximum number of prizes. A focused, well-executed project will stand out more than a scattered approach targeting multiple tracks. We hope that this hackathon could serve as a launching ground for your ideas and would like to continue supporting viable projects in the future! Please note that the the Algorand Foundation and partners reserve the final right to reallocate the prize pool throughout the hackathon to best reflect the projects it would like to support in its ecosystem 📈 Long-Term Support for Builders The hackathon is just the beginning. Winners will have 1-on-1 sessions to define realistic post-hackathon milestonesComplete your milestone → unlock remaining 50%Promising teams (including runner-ups) may be considered for future ecosystem support and visibility 🍕 Food & Logistics Full on-site access also throughout the nightOvernight hacking allowed and encouraged!Food and beverages providedAccommodation not included ⚠️ Important Your ideas and projects remain your intellectual property. We’re here to support, accelerate, and connect you — not to claim ownership. 🔥 If you’re ready to build at the intersection of AI, payments, and decentralized infrastructure — this is your weekend. Apply now and build something that lasts!