What could be the possible implications?
This implies nothing. This is just another experimental project by the CBDC in an effort to increase borderless transactions and bring businesses closer than before. This also helps the CBDC to keep a close eye on monetary situations in various countries or those using the Bridge since all the transactions are happening under their jurisdiction.
Since we are in a crypto space we will consume this news as some sort of negativity about Bitcoin but in reality, it is not. They might not be implying anything with this neither to Bitcoin nor to any other form of payment.
This more or less seems to be lowering the burden on various central banks when they do such heavy transactions. The import-export-associated transaction could range from millions to billions of dollars. Since it is centralized transaction it takes time at the back end to tally every penny thus to reduce that dead space it could be just another project they have taken in association with various Governments.