Power of Attorney for Pascal St-Jean

This filing is an Exhibit 24, a Power of Attorney, for Pascal St-Jean, who is the CEO and President of Coincheck Group N.V. The document appoints Marc Stone and Jason Sandberg as attorneys-in-fact to execute and deliver required SEC forms related to the ownership of or transactions in Coincheck Group N.V. securities. This includes Forms 3, 4, and 5 under Section 16(a) of the Securities Exchange Act of 1934, and Form 144 under Rule 144 of the Securities Act of 1933. The power of attorney remains in effect until St.-Jean is no longer required to file these forms, unless revoked in writing. St.-Jean acknowledges that Stone and Sandberg are not assuming his compliance responsibilities.