Rielby Junhee

BUILD IN PUBLIC · Build logs

Building an AI product, written down as it ships.

Engineering retrospectives from building this solo — Backend, Frontend, AI, Infra. Translated from the Korean originals; the raw path from a broken deploy to the fix.

AllInfra19Backend11Frontend8AI5Riel Story3Dev2SEO2Blockchain2Build Retro1Game Dev1AI / Backend1AI Video1

Blockchain

Getting Polygon (POL) into My Wallet in Korea — Customer Service Calls, Withdrawal Limits, and That Ten Thousand Won

The actual process of getting the POL I need for my contract mainnet deployment into my hands here in Korea. This includes calling Upbit customer service to confirm its intended use, navigating Travel Rule and withdrawal limitations, and finally moving it to my personal wallet on the day withdrawals resumed.

Jul 8, 2026·👁 60

Blockchain

Building a 'Completed Reading' NFT - The Story of Getting Blocked 6 Times in One Day

From creating a Soulbound 'Completed Reading' certificate NFT to actually issuing it – all the know-how from facing roadblocks 6 times a day and overcoming them at the code level, including EIP-712 signatures, Privy wallet gas issues, and nonce precision bugs, is fully revealed.

Jul 8, 2026·👁 57
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