The security of your wallet doesn't primarily depends on how good you're in hiding your priv keys or making long passphrase and whatsoever; what if through some blockchain spamming or phishing, your wallet becomes a victim?
Secondarily, we could advice everyone to keep their priv keys within thier valuables; this has nothing to do with creating long pin and passwords...and I keep asking myself' is there not a better way of still not making the priv keys the final solution to getting people's account shrinked? Is there not a way that maybe a four digit code is made to optimize and guard the priv keys so that if it's not imputed, funds cannot be accessed? Just thinking aloud: priv keys are long and clumsy and cannot be crammed but a four digit PIN just like that of our ATM cards can easily be crammed and stored within our memories. ...