Ariz. Rev. Stat. § 44-308
D. If the property reported to the department is a digital asset, the holder shall report and deliver the digital asset in its native form to the department or the department's designated qualified custodian within thirty days after reporting the property abandoned. On direction by the department, the qualified custodian may stake to receive rewards or receive airdrops. On the expiration of three years after the date the digital asset was transferred to the qualified custodian and if the property remains unclaimed, any airdrops or staking rewards shall be transferred to the bitcoin and digital asset reserve fund established by section 41-180. If the holder only possesses a partial private key to the digital asset or is unable to move the digital asset, the holder shall maintain the digital asset until the additional keys required to transfer the digital asset become available. For the purposes of this subsection, "qualified custodian" means any of the following that is licensed in this state to sell digital assets and offer custody services to customers: