Please feel free to add links to other useful resources about blockchain use in the telecommunications industry.
Telecom Blockchain Consortium
Vipin Rathi the interim chair of the TCSIG, recently spoke at a Hyperledger meetup in Barcelona about telecom use cases for Hyperledger.
 Blockchain-based Decentralized Applications for Multi Administrative Domain Networking.
 Blockchain-Based Decentralised Cloud/Fog Solutions: Challenges, Opportunities and Standards
 Smart Contract Negotiation in Cloud Computing
 VeidBlock: Verifiable Identity using Blockchain and Ledger in a Software Defined Network