Bonus track · certificate holders

Advanced NEAR

These 7 deep dives unlock with the NEAR Developer Certificate. The server renders a lesson only after your wallet signs a free NEP-413 message, the key is confirmed on chain as yours, and verify_diploma returns your certificate.

• Holders only · Lesson 1Cross-Contract CallsPromises, callbacks, and why NEAR calls between contracts are asynchronous.
• Holders only · Lesson 2Storage Staking Deep DiveMeasure bytes, charge users fairly, and refund the rest, like the diploma contract does.
• Holders only · Lesson 3Chain Signatures BasicsDerive a Bitcoin or Ethereum address from your NEAR account and get it signed by MPC.
• Holders only · Lesson 4Intents in PracticeQuote, sign, and settle a swap with NEAR Intents and the 1Click API.
• Holders only · Lesson 5Testing NEAR ContractsUnit tests with a mocked VM context, sandbox integration tests with near-workspaces, and what to test before every deploy.
• Holders only · Lesson 6near-api-js and Wallet Selector in ProductionWire a real dApp: wallet selector setup, function-call access keys, signing transactions, signing messages (NEP-413), and reading results.
• Holders only · Lesson 7Deploying from Testnet to MainnetReproducible builds, deploy plus init in one transaction, upgrades with state migration, key hygiene, and a launch checklist.