A Plan B is an alternative strategy or a contingency plan that is an action or set of actions for doing or achieving something if the original method fails. The Plan B in the Brexit negotiation could be the a Norway (Norway is not a member of the EU but it is part of the EEA) Plus that the UK remaining in the European Economic Area (EEA) and joining a customs union with the EU, however the UK would have to accept free movement of people which is the breaching a previous red line laid down by the PM.
Adnoc pilots blockchain programme across value chain with IBM (9 December 2018): Jennifer Gnana - State-owned Abu Dhabi National Oil Company is piloting a blockchain-based automated system with IBM to integrate oil and gas production across its entire value chain. The collaboration with the US multinational will provide a secure platform for tracking, validating and execution of transactions at all stages, right from the production well to the end customer, Adnoc said in a statement on Sunday. Blockchain is best known in relation to the cryptocurrency Bitcoin, which it underpins by providing a transparent, secure and de-centralised system for transactions. The technology has seen an increasing adoption by oil and gas companies globally. Adnoc said its collaboration is expected to lower costs and increase efficiency. (Source: The National (UAE))