News of Note—Oracle unveils blockchain service; lessons learned from ZTE ban

Here are some of the other stories we're following today:

> Oracle unveiled its new blockchain service that was designed to help businesses track and automate processes. Computerworld article

> The U.S. ban on ZTE, which was recently lifted, caused service providers around the world to re-evaluate their supply chains. Reuters article

> Swedish telecom operator Telia Company announced Tuesday that it was buying Danish operator TDC’s Norwegian business for $2.6 billion. RTÉ article