The problem with microwearables and small stuff is that you can't properly manage something like an interface similar to Coin Control for real control of what you are doing with your money. What you are talking about at least how I envision it, wouldn't feature that. So you would still need a proper computer, with Linux, doing all of that, and right now, we are stuck with the same old CPU's. And as far as ETFbitcoin said, im aware of certain "exploits" in order computers, however, what you can exploit in an old computer is nothing compared to the modern CPU's which come with pre-installed at the hardware level OS's and work even when you turn them down.
As far as the "COREporate" thing you are missing the point. Im not claiming the blocksize must not be raised to LN has a point. All im saying is, the game theory doesn't check in in order to raise the blocksize, not now, not anytime soon, it will just not happen, even if all Core devs wanted to, that's irrelevant. This is part of being actually decentralized. Immutabiliy of the core (not Core) protocol is a valuable thing, so the loss of an use case for grocery-making is compensate by a long shot, by having an immutable, unconfiscable, uncensorable asset, unique on the planet, as the Bitcoin experiment cannot be replicated.
1. smart watches screens can handle displaying a 'to:' and 'amount:'. smart watches also can be voice command. touch screen, there are many ways to input simple text. basically if you take a phone and remove the circuitry for bluetooth, wifi, gsm, 4g,5g and use a smaller screen. all the same processing a phone can do a smartwatch can do.
2. if you think CPU's have exploits then it doesnt matter what OS is running so put your 'has to be linux' mantra aside aswell., the exploit you presume to be concerned with is hardware level.
yes i still laugh you want to keep bitcoin held back due to PC fears.. whats next go call EA/rockstar and tell them to stop releasing new games due to CPU risks people can use to exploit peoples credit card details when they buy ingame purchases. go on tell rockstar to not make the next GTA unless its only Linux based runtime. watch them laugh.
whats that i then here, OH no netflix should stop taking payment over the internet for monthly subscriptions.. oh no youtube should stop
paying its vloggers, stop taking payments from advertisers. omg the world has to stop taking payments..
(see how silly that sounds when your thought process is expanded)
3. adding to point 1. wearables will be the secure wallet to spend and pc's will b the nodes to broadcast signed spends and to monitor the network. again thinking people need to avoid wearables and lug around a 2005 desktop PC when they go shopping is completely ridiculous, but you seem to think thats the future.
whats next trust second hand pc's bought on ebay,, remember to ask yourself where are people to find these now outdated pc's you wish people to DOWNGRADE to. as they cant be now freshly manufactured as you would start saying they too have exploits added
here is the future i see. hardware companies making motherboards with tx&block validation asic chips on them, instead of generic CPU's that way every joule of power sparking across the board is used 100% for being a network node.
imagine 1chip the size of a penny can handle ~350,000,000 sha functions /sec right now. thus something around the size of a raspberry pi
can do all the processes of signature validation and txid hashing and block validation. oh and the price would be under $400
and the wearable is the wallet people can carry on their wrist without needing to lug around a decade old musty desktop pc. without having to worry about security. yea the node wont store private keys so no need for concerns about CPU exploits in anyway
but hey keep making the excuses that bitcoin shouldnt scale with your myths. its great comedy
by they way. saying bitcoin is unique and all that blah................ one word. altcoin
if you take away bitcoins advantage of being useful by pushing people into other networks like LN and altcoins. guess what. bitcoin becomes useless.. yes LN is not a bitcoin layer/feature/network.. its its own network trying to garner VC investors by playing off the fame of bitcoin, whilst trying to remove bitcoins purpose
have a nice day