Section 205 ILCS 730/15 - Limitations to the use of blockchain(a) If parties have agreed to conduct a transaction by use of a blockchain and a law requires that a contract or other record relating to the transaction be in writing, the legal effect, validity, or enforceability of the contract or other record may be denied if the blockchain containing an electronic record of the transaction is not in a form that is capable of being retained and accurately reproduced for later reference by all parties or other persons who are entitled to retain the contract or other record.(b) Except as otherwise provided in subsection (f), if a law other than this Act requires a record to be posted or displayed in a certain manner, to be sent, communicated, or transmitted by a specified method, or to contain information that is formatted in a certain matter, the use of a blockchain to post, display, send, communicate, transmit, or store such a record does not satisfy the requirement of the other law.(c) If a person inhibits the ability of another person to store or retrieve information contained in a blockchain, such information is not enforceable by the person who inhibited the storage or retrieval.(d) Regardless of whether a smart contract was used to establish the relationship between the parties to an agreement, a requirement that a notice or an acknowledgment or other response to a notice be in writing is not satisfied by providing or delivering the notice or recording an acknowledgment or other response to the notice by the use of a blockchain if the notice is a notice of: (1) the cancellation or termination of service by a public utility;(2) default, acceleration, repossession, foreclosure, or eviction, or the right to cure, under a credit agreement secured by or a rental agreement for, a primary residence of a natural person;(3) the cancellation or termination of a policy of health insurance, benefits received under a policy of health insurance, or benefits received under a policy of life insurance, excluding annuities; or(4) the recall of a product, or material failure of a product, that risks endangering the health or safety of a person.(e) A requirement that a document be in writing is not satisfied by the use of a blockchain if the document is required to accompany any transportation or handling of hazardous materials, pesticides, or other toxic or dangerous materials.(f) The requirements of this Section may not be varied by agreement, except that: (1) to the extent a law other than this Act requires that a contract or other record relating to a transaction be in writing, but permits that requirement to be varied by agreement, the provisions of subsection (a) concerning the denial of legal effect, validity, or enforceability of the contract or other record relating to the transaction may also be varied by agreement; and(2) a requirement under a law other than this Act to send, communicate, or transmit a record by first-class mail, postage prepaid, or regular United States mail, may be varied by agreement to the extent permitted by the other law.Added by P.A. 101-0514,§ 15, eff. 1/1/2020.