House Engrossed

cell phone carrier; spam calls

(now:  blockchain technology; regulation; computational power)

State of Arizona

House of Representatives

Fifty-seventh Legislature

First Regular Session

2025

CHAPTER 81

HOUSE BILL 2342

AN ACT

amending sections 9-500.42 and 11-269.22, Arizona Revised Statutes; relating to blockchain technology.

(TEXT OF BILL BEGINS ON NEXT PAGE)

Be it enacted by the Legislature of the State of Arizona:

Section 1. Section 9-500.42, Arizona Revised Statutes, is amended to read:

START_STATUTE9-500.42. Prohibition on regulation of using computational power or running node on blockchain technology; state preemption; definitions

A. A city or town may not prohibit or otherwise restrict an individual from lawfully accessing or using computational power or running a node on blockchain technology in a residence.

B. The regulation of the act of lawfully accessing or using computational power or running a node on blockchain technology in a residence is of statewide concern and not subject to further regulation by a city or town.

C. For the purposes of this section: , 

1. "Computational power" means the use of computer hardware and software to process data, run algorithms or perform tasks requiring significant computing resources, including artificial intelligence, blockchain, scientific research and cloud computing.

2. "Running a node on blockchain technology" means providing computing power to validate or encrypt transactions in blockchain technology as defined in section 44-7061. END_STATUTE

Sec. 2. Section 11-269.22, Arizona Revised Statutes, is amended to read:

START_STATUTE11-269.22. Prohibition on regulation of using computational power or running node on blockchain technology; state preemption; definitions

A. A county may not prohibit or otherwise restrict an individual from lawfully accessing or using computational power or running a node on blockchain technology in a residence.

B. The regulation of the act of lawfully accessing or using computational power or running a node on blockchain technology in a residence is of statewide concern and not subject to further regulation by a county.

C. For the purposes of this section: , 

1. "Computational power" means the use of computer hardware and software to process data, run algorithms or perform tasks requiring significant computing resources, including artificial intelligence, blockchain, scientific research and cloud computing.

2. "Running a node on blockchain technology" means providing computing power to validate or encrypt transactions in blockchain technology as defined in section 44-7061. END_STATUTE

APPROVED BY THE GOVERNOR APRIL 18, 2025.

FILED IN THE OFFICE OF THE SECRETARY OF STATE APRIL 21, 2025.