SMH's special investigation series of 6 stories, called "Blood Gold" featuring Cassius Mining:

https://www.smh.com.au/world/africa/blood-gold-20220826-p5bd06.html

The dangers of sovereign risk, playing out with a Chinese miner Shaanxi in Ghana:

• Shaanxi had allegedly been digging underneath Cassius’ mine to steal tens of millions of dollars worth of gold at least as early as 2017.
• Allegations of local miners being killed by Shaanxi
• Allegations of Ghanian officials and being bribed, and rulings made in favour of Shaanxi despite proof of wrongdoings

Long story short: Stay away.