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Dr Bawumia said his administration would develop a policy framework to anchor the country’s local currency with gold to fortify it against the foreign forex.
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Over $5b worth of gold reserve realised under domestic gold purchase programme – Bank of Ghana - Ghana Business News
The Bank of Ghana (BoG) has announced that over $5 billion worth of gold reserve has been accumulated so far under the Government's Domestic Gold Purchase Programme since the inception of the programme in 2021.

They have been buying gold. Now they are part owner of a gold refinery and forcing small gold miners to sell their mining proceeds to the refinery (seems similar to what Zimbabwe is doing).