the question was: is 'thin air' a thing. the answer was yes, it is. the example of credit was an applied transaction in a chain to a business model, done to explore what happens with future scheduling entering as current currency. the example of the insurance was also an applied transaction in a chain to the same model, done to explore what happens to prior and current underwriting and their scheduling entering as shared accounting.
the question was then isn't credit not still 'thin air'. which the answer was yes, it still is thin air. this isn't depositing. this isn't debit card. and even if it was, the electrons travel now via 'credit application', with the clearing house checking later. that is, a micro-lend behaving as credit still occurs. this is how everything works and you cannot avoid it: actuary (half transactions), then actuary matching, then merging into double-ledgers (full book transaction ledgers).
now the question is 'does credit distinction matter'? the answer is agreed, it doesn't matter. which was demonstrated with the prior answer. you can't tell, it doesn't matter (and that information would be prohibitively expensive to compel for most burgers and fries too). currency is currency.
however, inter-weaved with this new question is also 'does knowledge of credit matter'? which is yes, it can. but firstly, as agreed, that's the choice of the trading people at each point only (alice-bob) (bob-charlie) (charlie-dave), and none can decide for any other. however secondly, it does still matter, because the accounts that engage in it will be following false signal: out-buying, out-marketing, out-investing, out-allocating burgers to bob and restaurant demand to charlie. this is not really possible to know ahead of time, so create accounts and keep separate, iterated. it also still does matter, because of schedule, transaction fee, annuity, and card options are all dimensions that are different than cash, but are allowed to participate as if they were cash, etc. different currency sources have different underwriting, schedule, and options – they are not equal, and they are never equal, but all this information is never passed, and no one wants it to anyway, can't pay for it, etc.
by the way, 'alice' is a special alice, not a generic neighborhood alice. that alice is running a bank, a business, and doesn't know jack shit if bob is going to pay 'her' back. which is the point. keep shit straight. you don't get to change the rules fluidly when it's your shit. no knowledge is passed on the dimensions of the current. all that is required to transact is only that the current exchange is agreed by people, and part executed by machines. to presume otherwise is loading numbers with personhood, blurring the lines, and at that, deferentially when it suits. all these numbers work expressly because they can be casted, to which then –people– bring back down to real. the moment to moment account level view can move very fast, depending on the depends, and current numbers are created out of thin air each time, until full-ledger accounting + settlement + people. that 'until' is the limit. until that 'until' it is in fact thin air, not post hoc ergo propter hoc 'spotting in a bar.'
thinking in terms of this 'stash of electronic currency' is a sum-view that people do, because they're jumping the gun (alot of guns, jumped several times, serially). they do this because they want it all to 'just make sense' – and then go on to complain 'buy why'.
so yes, if you understand the current and transaction networks, and then the merchant, bank, central accounts, then at any given moment, numbers are created at will all over the place. the problem usually is most persisting casted numbers are created on the bank level. restated: the transaction volume and current magnitude of merchant (sale) is huge, but of small discordance that reconciles fast. banked transactions are not the same, take up less momentary transaction count volume, but make up the vast majority more of currency count volume, and reconcile over weeks to decades depending on schedule and option dimensions behind them. central… bah, i don't care to keep going right now, but it still creates out of thin air, with you only seeing the static ledgers sitting out at the treasury (not the same, still a problem, fuck it all, etc).
if you believe you can get an accurate current total account on all currency, show me. the only way you can is if you throw out all the underwriting, scheduling, and option dimensions. it is here, in the account with dimensions, that violations of underwriting (trust), scheduling, and abuse happen (ie fuck-your-shit-up). so while a total account is a miserable picture, it is so because it is like a riemann-sum illusion permiting kike evasion, kike reinvasion, and kike shitposting, not reforming shit.