Immediately after a software upgrade to my iMac, an error message appeared: "Bitcoin Core quit unexpectedly" and I followed the instructions to "reopen" and the error kept repeating. How do I get back on bitcoin core?

  • What is in debug.log? – MCCCS Jan 22 at 15:58
  • Do you have a backup of your wallet (or better, many regularly made backups) and a written note of your master private key? – RedGrittyBrick Jan 22 at 17:49

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