Abstract: In an approach for conversational interchange optimization, a processor monitors conversations in a communication system. A processor generates a list of topics in the conversations. A processor determines a flow for each topic based on length of time, number of participants, and sentiment associated to each topic. The flow is the progress of interactions and shifts for each topic. A processor builds a statistical model for each topic based on the flow to predict success or failure of a topic progression for an incoming conversation. A processor updates the topic progression for the incoming conversation based on the predicted success or failure.

Abstract: An example operation may include one or more of receiving a transaction request for a first transaction into a blockchain network, determining one or more potentially linked transactions subsequent to the first transaction, determining one or more nodes required for the first transaction and the one or more potentially linked transactions, determining an availability for the one or more nodes, for example, by analyzing social network usage at the respective nodes, and determining, from the availability of the one or more nodes, a preferred time to initiate the first transaction.

Abstract: An example operation may include one or more of receiving a transaction request for a first transaction into a blockchain network, determining one or more potentially linked transactions subsequent to the first transaction, determining one or more nodes required for the first transaction and the one or more potentially linked transactions, determining an availability for the one or more nodes, for example, by analyzing social network usage at the respective nodes, and determining, from the availability of the one or more nodes, a preferred time to initiate the first transaction.