US 11,695,544 B2
Method and system to execute and record transactions for a key in a blockchain
Ramesh Lingala, Telangana (IN); Gowthami Vuradi, Telangana (IN); and Adam Kuenzi, Salem, OR (US)
Assigned to CARRIER CORPORATION, Palm Beach Gardens, FL (US)
Filed by Carrier Corporation, Palm Beach Gardens, FL (US)
Filed on Sep. 15, 2020, as Appl. No. 17/21,484.
Claims priority of application No. 201911037487 (IN), filed on Sep. 17, 2019.
Prior Publication US 2021/0083850 A1, Mar. 18, 2021
Int. Cl. H04L 9/06 (2006.01); G06F 16/23 (2019.01); H04L 9/32 (2006.01); H04L 9/00 (2022.01)
CPC H04L 9/0637 (2013.01) [G06F 16/2379 (2019.01); H04L 9/3213 (2013.01); H04L 9/50 (2022.05)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
creating a smart contract between a user and a provider of a key on receiving a request from the user to order the key on lease for a first period of time;
wherein the key is provided to the user by storing the key in a key-box and providing the user with access to the key-box such that the user, subsequent to accessing the key by accessing the key-box, uses the key to access a premises;
determining an availability of the key after receiving the request from the user;
determining an availability of digital tokens in an account of the user on determining the availability of the key;
executing the smart contract for the first period of time by executing a first transaction using the digital tokens; and
recording the executed first transaction and the executed smart contract in a block of a block chain to provide the key on lease;
wherein the smart contract includes activated key-box subscriptions subscribed to by the user; and
wherein the activated key-box subscriptions enable the user to access one or more features of the key-box controlled by the activated key-box subscriptions.