According to CoinMeta, and as reported by Russian media, Medinsky, the assistant to the Russian President who led the Russian delegation to the trilateral talks between Russia, the United States, and Ukraine in Abu Dhabi, UAE, said on the 11th that the security architecture was a core issue of the Abu Dhabi talks. Russia has mentioned more than once the need to establish a European security architecture, and the issue of setting up a European security system after the end of the conflict in Ukraine must be resolved.