On-chain analyst @tayvano_ stated that North Korean (DPRK) IT professionals had been involved in building several mainstream crypto protocols as early as the DeFi Summer period, including SushiSwap, THORChain, Harmony, Ankr, Shiba Inu, Yearn, Shib, Floki, and dozens of other protocols. The listed examples are only a portion, and it was mentioned that their resumes claiming '7 years of blockchain development experience' are not false.