The assessment of this statement is broken into its two constituent claims: 1) Tether's gold reserves amount to 143 tonnes, and 2) this quantity is greater than the gold reserves of some central banks.For the first claim, the specific figure of "143 tonnes" is directly mentioned in several low-authority secondary sources (The Kobeissi Letter posts on various platforms). These sources have a significant credibility issue due to a repeated, obvious typo ('Q4 2025'), which suggests they are all carelessly repeating a single post. However, high-authority primary sources from Tether itself confirm that the company holds gold as part of its reserves and regularly publishes detailed attestation reports prepared by accounting firms like BDO. While the provided summaries of these primary sources do not contain the exact '143 tonnes' figure, they validate the premise that Tether quantifies and reports its gold holdings. It is highly plausible that the low-authority sources accurately extracted the 143-tonne number from an official report but made a typo regarding the date.For the second claim, the comparison to central banks is strongly supported by logical inference from the provided sources. A data journalism article is cited that ranks countries by their official gold reserves. The existence of such a ranking implies a wide distribution of holdings. A quantity of 143 tonnes is substantial, and it is a virtual certainty that numerous countries' central banks hold less than this amount. Therefore, the claim that this quantity is "greater than the gold reserves held by some central banks" is almost certainly true.In conclusion, while the specific number of 143 tonnes is only directly supported by flawed secondary sources, the underlying facts that Tether holds significant gold reserves and that this amount would surpass the holdings of many smaller nations are well-supported by the high-authority sources and logical deduction. The primary weakness is the lack of direct confirmation of the number from a primary source in the provided materials, but the overall evidence points strongly towards the statement being true.