Delivered a lecture on Bitcoin-related money laundering issues at the 'Inside Bitcoin 2014' conference at KINTEX, Ilsan, alongside Vitalik Buterin and Arthur Hayes.

Gave a lecture on Bitcoin and the concept of cryptocurrency for a special lecture series on the public broadcasting network EBS.

Was an invited speaker at the '2024 World Biz Tech Talk Show' at the Seoul Bank Hall, providing his outlook and investment strategy for Bitcoin.