線上課程錄影 - HackMD

# 線上課程錄影 Defi簡介2: https://youtu.be/2Ohzc-NFoxI Defi簡介1: https://youtu.be/gFJ1lsCIeJE 以太坊介紹：https://youtu.be/2zr_GwvkzUQ

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