Bitcoin can not provide that assurance as an attacker can rewrite history which is my major gripe with hash POW.
I thought I already made a strong argument that is not the attack vector anyone needs to be worried about. The real worry is the Bitcoin is
INSIDIOUSLY centralizing.
insidious
adjective
1.
intended to entrap or beguile:
an insidious plan.
2.
stealthily treacherous or deceitful:
an insidious enemy.
3.
operating or proceeding in an inconspicuous or seemingly harmless way but actually with grave effect:
an insidious disease.