Here are this week’s topics that you don’t wanna miss out on!
🏦 10 Passkey Deployment Mistakes Banks make
📱 Native Passkey Challenges: iOS & Android Pitfalls
Both stories end in the same blind spot. The bank stuck below 1% and the native app losing users after install both fail somewhere in the funnel and neither team can see exactly where: which subflow stalls, which device drops off, why a passkey login quietly errors out. Finding those drop-offs is precisely what we built Corbado Observe for.
Most banks treat shipping passkeys as an infrastructure project: switch it on in the IdP, announce it, done. The article makes the uncomfortable case that this exact mindset is why so many rollouts stall under 1% adoption while product-led teams push past 50%.
It walks through 10 concrete mistakes, from splitting credentials across subdomains with the wrong rpID, to burying passkeys deep in account settings where nobody finds them, to identifier-first flows that quietly leak which customer emails exist.
The scariest ones are about lockout and fraud: letting an attacker with a stolen password enroll their own passkey, or stripping passwords before any real recovery path exists. There are also compliance traps, since some regulators still do not count synced passkeys as a real possession factor.
Each mistake comes with what to do instead, pulled from real banking rollouts in Japan and beyond. So which of these 10 is silently capping your own numbers?
Plenty of teams budget two weeks for native passkeys and then lose three to six months to platform quirks nobody warned them about. The post is a field guide to those traps on iOS and Android.
On Apple, the AASA domain file fails silently with the wrong Team ID, Apple’s CDN caches it with no purge button, then about 5% of users hit errors right after install because iOS has not verified the domain yet.
On Android there are three different signing keys and only the Play Store one works in production, plus no wildcard support and a maze of OEM behavior from Samsung Pass to Huawei without Google services.
Then come the subtle bugs: Base64 versus Base64URL silently corrupting credentials, WebView origin mismatches plus simulators that fake biometrics so your tests pass while real devices fail. It closes with the actual fixes, down to the exact Play Services version that stops a nasty multi-account crash. So which of these would have blown up your two-week estimate first?
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