New inflows of digitized gold won't actually glimmer, but they'll make holders richer. Gold has always gravitated toward the world's deepest vaults, starting first with royal treasuries, then central banks, and now, apparently, blockchains. The latest flow is led by BioSig Technologies (BSGM -4.77%), which just said it would convert as much as $1.1 billion in physical gold bullion into crypto tokens on the Solana (SOL 2.11%) blockchain. For long-term investors, that single decision is one of the clearest si ...