An example operation may include one or more of receiving a request to commit a
blockchain request to a hash-linked chain of blocks stored on a distributed ledger, extracting …

An example operation may include one or more of receiving a request to modify a
governance policy of a blockchain, identifying a principal identity that controls the …

An example operation may include one or more of receiving a request to implement a
modification to previously established governance policies of a blockchain, identifying one …

Technology is described for a distributed ledger service within a service provider
environment. The distributed ledger service may implement a distributed ledger formed from …

The disclosed technology is generally directed to smart contract technology. In one example
of the technology, responsive to a smart contract subscription request from a requestor to a …

In one embodiment, an apparatus comprises a communication interface, a memory, and a
processor. The communication interface is to communicate with one or more devices. The …

The disclosed technology is generally directed to blockchain technology. In one example of
the technology, a modified block is provided in response to at least an edit transaction that …

In an aspect, an apparatus for generating a resource enhancement probability model is
presented. An apparatus may include at least a processor and a memory communicatively …

A method of improving an efficiency of updating rule data stored in a block chain receives a
rule updating request and obtains data as to the existing rule (rule data) in response to the …

A computer-implemented method, medium, and system are disclosed. In one computer-
implemented method, an invocation request sent by an initiator is received by a blockchain …