Most bitcoin is not held on exchanges or in custody. "run on BTC" is not possible, because people already own their bitcoin. Also, exchange reserves aren't frac

Most bitcoin is not held on exchanges or in custody. "run on BTC" is not possible, because people already own their bitcoin. Also, exchange reserves aren't fractional, so there's no reason they would lockdown withdrawals. You can track the bitcoin reserves on exchanges here: https://cryptoquant.com/overview/full/247?window=day https://cryptoquant.com/overview/full/247?window=day