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thank you bitcoinman, yes it's good to do some research to understand it more, i think tier 1 is the least risky assets compared to 2 and 3, so the hope in gold investors is that the bank would hold more gold as it is now considered tier 1

I found some stuff online about it but its a little overwhelming so much information and a lot of things I don't know about https://www.bis.org/bcbs/publ/d424_hlsummary.pdf

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