One of the first applications of blockchain to corporate travel is in the works at hotel distribution and contracting specialist HRS. Spurred in part by discussions with sourcing client Siemens, HRS is testing blockchain-powered smart contracts, allowing clients and hotels to negotiate rates that change based on environmental conditions. In another scenario, blockchain supports identity verification at check-in.

The work is in the early stages, and HRS vice president of product Martin Biermann was reluctant to estimate when it could impact the wider market.

"We intend to deploy blockchain . . .

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