Physical silver refers to actual coins, rounds, or bars held by the owner or in allocated storage. Paper silver refers to financial exposure through futures, ETFs, unallocated accounts, mining stocks, or derivatives.

Paper silver can be efficient for trading price movements, but it may involve counterparty risk, leverage, settlement rules, and market structure that do not apply to fully paid physical metal. Physical silver cannot be margin-called if owned outright.

The tradeoff is convenience. Physical silver requires storage, has wider spreads, and can be costly to ship. Paper silver is easier to trade but may not deliver the same crisis-insurance function that stackers seek from metal in hand.