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Reference How to Read the USGS Copper Mineral Commodity Summary — Production, Trade, Prices and Reserves USGS copper (MCS 2026): refined copper imports for consumption: an estimated 1,700 thousand metric tons; projected 2025 COMEX average: $4.80/lb; estimated net import reliance: 57%. Economy · Nov 8 Reference Bitcoin — How It Works and Why the Supply Is Capped Bitcoin is a decentralised digital currency recorded on a public ledger called a blockchain. No central authority issues it; new coins enter circulation through mining, and the total supply is capped at 21 million by the protocol itself. Economy · Sep 9