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The Nexus central hub has been live since 13 July 2018. This initiated the second phase of the AS2-AS4 Theme release (TR AS2-AS4). All market parties can now switch from AS2 to the much safer AS4 protocol. For instance, Essent took this step in September.


23 connections converted
We are ready to help the market switch to AS4. More and more companies have come forward to start qualification for AS4. Already 23 connections have been converted since the hub went live. Good progress has been made, and other market parties are expected to increase this number in the near future. Would you like to be one of them? Then let us know via

New Market Readiness survey
A new Market Readiness survey will be sent this week, featuring the question: when will you be switching to AS4? We want to use the survey to prevent all parties making the switch at the same time, just before AS2 is phased out in 2019.

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