bitcoin-cli rescanblockchain Or start Bitcoin Core with:
bitcoind -reindex This rebuilds the block index (takes 6+ hours). If your wallet.dat is corrupted and won't load: bitcoin core walletdat upd
bitcoind -salvagewallet This reads through the BDB file dumping recoverable keys. It saves a new file called wallet.dump . You then import that dump into a fresh wallet. For the most robust wallet.dat update : bitcoin core walletdat upd
bitcoind -rescan Warning: Do not use -rescan on a pruned node; it will fail. If the node cannot sync, the wallet might be fine. But a reindex helps the wallet read correctly: bitcoin core walletdat upd