Abstract: In an embodiment, a method comprises storing, in one or more digital data repositories, a body of code configured to execute one or more operations of a Proof of Stake (PoS) consensus algorithm on a blockchain node of a blockchain network, the one or more operations including a signing of a block for inclusion in the blockchain network; before executing the body of code on the blockchain node of a blockchain network, generating and transmitting a request to execute the body of code to a server computer, the request comprising a global identification value associated with the blockchain node of the blockchain network; in response to transmitting the request, receiving a response from the server computer, the response indicating whether the global identification value is locked; in response determining, based on the response, that the global identification value is not locked, executing the body of code on the node of the blockchain network, wherein executing the body of code on the node includes performing the