An example operation may include one or more of constructing a transaction proposal and sending the constructed transaction proposal to a plurality of endorsing nodes, by a client application of a computing system, wherein inputs to the transaction proposal are named using a blockchain naming system (BNS), receiving a set of transaction responses from the plurality of endorsing nodes, by the client application of the computing system, the transaction responses each comprising a transaction validation function, assembling the received transaction responses into a transaction, by the client application of the computing system, and sending the transaction to an orderer node for distribution, by the client application of the computing system.