@TheGibson What I'd really like to see is, say, lifetime or century-crack length over time.
That is, for a given year, what is the shortest password that can withstand likely crack attempts for 100 years.
Or perhaps ranked against budget: cracking for $0.01/key, $0.10, $1, $10, $100, $1,000, $1,000,0000, $billion, etc.
The cracking-rate progress and budget aspects of this are seriously underappreciated. Hell, I don't know these.
@dredmorbius @thegibson I think Bitcoin has proven the economy for this is a hell of a lot cheaper than people think. (Which is why I think the estimates in the chart above are woefully naive as they assume a single attacker and a one pw at a time attack.)
The amount of distributed compute power people are throwing around at cryptocoins for no budget but for imaginary profit is extraordinary. No human password survives ~100-days much less 100 years against cryptocurrency "mining".
@dredmorbius @abbienormal @thegibson I think “needless” authentication gets overlooked a lot. Too many websites want logins for stupid things like identifier tokens or marketing email collection. The subversion of the dream of the original OG OpenID into walled identity gardens didn’t help and while there is still maybe some hope for web platform tools like Webauthn and Web Payments, but not a lot (where’s Webemailaddr?). I still wish BrowserID hadn’t been eaten/starved to death by Firefox OS.
@max In meatspace there's a great deal of, for want of a better term, transient identity.
That might be token-based --- "take a number" at a deli or other service counter. It may be predicated simply by material presence in time and space --- standing in a queue, answering a door, visiting an office. Being "that guy at the gym" or "that girl at the club". Role-based identities --- museum docent, parks guide, bus driver.
For most of those involved, there's no reason to necessarily establish a longer continuity.
For transactional situations, distinguishing cash vs credit payment also makes a difference --- cash largely closes the book on a transaction, credit does not (absent returns and exchanges).
Online, these nuances are all but entirely lost.
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