Build on
summary
Celo announces an L2 testnet called Dango with fee abstraction so transactions can pay gas in USDC/USDT (no ERC‑4337 needed), and every tx funds a carbon‑negative pool. Opera Mini’s embedded wallet Minipay exposes a 3M‑user base with 10k–14k new wallets daily in Africa and supports webview “mini apps” and a drag‑drop stable swap. Dev tooling includes a minip template and Celo Composer, viem library is recommended; hackathon bounties: 4,000/2,500 USDC (minip), 1,000/500 USDC (funding), and four Dango feedback prizes of 500 USDC.
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chapters (15)
- 0:00Introduction
- 1:53What is Cello and vision
- 3:18Cello ecosystem features
- 5:03Dango L2 testnet bounties
- 6:24Introducing Mini wallet Opera Mini
- 8:31Why build on Mini wallet
- 10:15Building Mini apps developer tools
- 12:42On-chain funding tools
- 17:15Hackathon bounties resources
- 18:40Demo Mini app development
- 22:30Cello templates setup
- 23:36Why VM library for Cello
- 25:01Q&A 1
- 26:09Q&A 2
- 28:50Closing Q&A








