My costs 145$ and it has FingerPrint 
.
All my phones have fingerprints all over themselves… but only one had a scanner 
… and a buyout price for it is in excess of $600, thankfully it is on contract instead.
My vote would be for a PIN… remember, many users also tend to have tablets and emulators with Blynk.
Buy hardware, don’t pay for marketing 
.
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That is the buyout (or no contract) price for an LG G6… They get us coming and going in North America 
My point was that adding a function to Blynk that requires still comparatively rare, or non existent, even in near future (tablets), hardware support, is not a good idea when the same function (widget security) can be provided in the widget itself.
Blynk is the mobile solution so it perfectly makes sense to utilize phone capabilities. Blynk appeared only because the mobile market was growing 
. We always look forward. The past is the past (any proverb to say that in english?)
But there is still the whole development stage of projects… that is where emulators kick in 
and last I checked, tablets are somewhat mobile 
“Those who cannot remember the past are condemned to repeat it” (The Life of Reason: Reason in Common Sense. Scribner’s, 1905: 284)
My past experience in this forum shows that many Blynk users are NOT playing with cutting or even butter knife edge technology, so it seems important to maintain a degree of backward capability with some “past” technologies, unless willing to lose the very market that started Blynk in the first place.
PS, I am not saying don’t make FP sensor support for Blynk, just don’t expect it to replace the much requested PIN coded Widget and/or Tab
My wife has fingerprint recognition on her phone but I just think it lacks creativity and flexibility.
Presumably it’s just an Android and iOS library rather than a true Blynk designed widget.
For me a PIN code would offer much more flexibility. Fingerprint technology doesn’t traverse the internet nearly as well as a PIN code.
Whahh? is there already some Blynk related function with a fingerprint sensor?
Fingerprint would be nice feature, but as for a button security, I think even ordinary ‘‘Äre you sure?’’ and ‘‘Yes/Cancel’’ will do in case we want to protect the button from unintentional use. Much easier than pin, still protecting from misuse.
It depends on what the desired result is. If Blynk offers a PIN some users will expect it to be “secure,” and that could change Blynk’s relationship with its customers and their data. Submitting a password or PIN code implemented securely would require that the PIN is never stored plain-text. This seems like a whole other level of difficulty, and beyond my pay grade.
If the goal is preventing ID-10T errors then @zodiac may have an easy solution with “Are you sure” pop-up.
@ThisIsntFunny I think the OP’s idea is to have something more than a pop up confirmation. I see phone security being down to phone users and not Blynk’s responsibility. If a user is stupid enough to hand out their phone or Blynk PIN number then they deserve all that comes their way.
Even Iris recognition has been shown to be flawed. So if the multi billion dollar businesses can’t secure their devices I don’t think the rest of us have too much to worry about.
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