On June 2019, the San Marino Republic adopted VeChainThor in i | Vechain Official Announcement

On June 2019, the San Marino Republic adopted VeChainThor in its efforts to become the first carbon neutral country.
This represents the first global example of top-down incentivization from gov. level to citizens using blockchain technology!#VeChain3rdAnniversary

https://twitter.com/vechainofficial/status/1407359953086697474?s=21