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Description
Keystone 3 ProDe Keystone 3 Pro Hardware Wallet is de ultieme beveiligingsoplossing voor het offline beheren van je kostbare cryptocurrency activa. Met zijn geavanceerde kenmerken en ongevenaarde beveiliging is dit de ideale keuze voor iedereen die op zoek is naar gemoedsrust in de wereld van digitale valuta. Keystone 3 Pro Features Drievoudige Beveiliging met Secure Element Chips: De Keystone 3 Pro maakt gebruik van drie PCI beveiligingschips van vooraanstaande
De Keystone 3 Pro Hardware Wallet is de ultieme beveiligingsoplossing voor het offline beheren van je kostbare cryptocurrency-activa. Met zijn geavanceerde kenmerken en ongeëvenaarde beveiliging is dit de ideale keuze voor iedereen die op zoek is naar gemoedsrust in de wereld van digitale valuta.
Keystone 3 Pro Features
- Drievoudige Beveiliging met Secure Element Chips: De Keystone 3 Pro maakt gebruik van drie PCI-beveiligingschips van vooraanstaande wereldwijde fabrikanten, Microchip en Maxim. Deze chips voldoen aan de hoogste PCI-beveiligingsnormen en bieden een veilige en gescheiden opslag van digitale activa.
- Open Source: Onze hardware- en softwarecode is volledig open source, wat betekent dat iedereen deze kan controleren en verifiëren. Dit biedt een ongekend niveau van transparantie en vertrouwen.
- PCI Anti-tamper Oplossing: We zijn de eerste in de branche die een PCI-klasse anti-tampering systeem hebben geïntroduceerd. De beveiligingschips zijn omhuld in een complexe ‘beveiligingskluis’. Elke fysieke interferentie resulteert in onmiddellijke gegevenswissing.
- Ondersteuning voor Meerdere Seed Phrases: Beheer tot wel drie unieke seed phrases vanaf één apparaat. Schakel moeiteloos tussen portefeuilles door de bijbehorende wachtwoorden in te voeren.
- Gebruiksvriendelijk voor Beginners: De 4-inch touchscreen biedt een ervaring vergelijkbaar met mobiele apparaten. De intuïtieve interface vereist geen voorkennis.
- QR- en USB-Handtekening: Primair ontworpen voor offline beveiliging met behulp van QR-codes, met de nadruk op een luchtsluisconfiguratie. De USB-poort zal in toekomstige updates ondersteuning bieden voor ondertekening om aan de behoeften van verschillende gebruikers te voldoen. (Let op: USB-ondertekening is momenteel niet beschikbaar, maar wordt toegevoegd in toekomstige updates).
- Verlengde Batterijduur: Dankzij een geavanceerd compact ingebed systeem gaat de nieuwe ingebouwde batterij maar liefst 10 keer langer mee.
- Biometrische Verificatie: Ontgrendel en voer transacties snel uit zonder je zorgen te maken over nieuwsgierige blikken in openbare ruimtes.
- BTC-Only firmware: Bitcoin-only firmware biedt verbeterde veiligheid, eenvoud en betrouwbaarheid door zich te concentreren op alleen Bitcoin-functionaliteit. Het zorgt voor betere prestaties en privacybescherming. Voor gebruikers die alleen Bitcoin willen opslaan en transacties willen uitvoeren, is dit een ideale oplossing.
Met de Keystone 3 Pro Hardware Wallet ben je verzekerd van de hoogste mate van veiligheid en gebruiksgemak voor het beheren van je kostbare crypto-activa. Koop nu en neem de controle over je financiële toekomst in eigen handen.
Bekijk ook de seed phrase back-up van Keystone.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
so soft
Size: Twin, Color: Blush
Super Cute and soft!
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Reviewed in the United States on April 15, 2026
★★★★★ 1
3 washes and rough as a cob.
Size: King, Color: Teal, Size: King, Color: Teal
Got these about 2 months ago, the feel soft enough and fit well, think stretchy T shirt material, but after three washes they have pilled all over and become very rough. Just as bad as the two year old set I replaced with these. Will not purchase again.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Good for between seasons
Size: Twin, Color: Blush
Very nice jersey sheet set! The color is perfect and it washed well. The weather is too warm for flannel, but too cold for our regular knitted sheets. These sheets are thin but warm. The perfect “between seasons” weight to keep my toddler cozy at night. We’ll see how they hold up over time but so far so good. Very happy with my purchase!
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Reviewed in the United States on November 3, 2025
★★★★★ 5
Soft, Breathable Sheets That Feel Great to Sleep On
Size: Twin, Color: White
This Amazon Basics jersey sheet set was a really good purchase. The cotton material is soft, stretchy, and breathable — it feels like sleeping in a comfortable T‑shirt. The fitted sheet has a nice snug fit that stays in place, and the flat sheet is lightweight without feeling flimsy.
The fabric washes well, doesn’t pill, and stays soft after multiple loads. It’s a great everyday sheet set for anyone who likes that cozy, relaxed jersey feel. Overall, comfortable, easy to care for, and great value for the price.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
The Perfect Sheets To Lie On While Writing Amazon Reviews
Size: Full, Color: Light Gray
As I write this, I am laying on an adjustable full sized bed by Hofish and a 10.5" comfort foam mattress by Classic Brands. I know I sound like I am an Amazon plant, but I swear I am not. I'm not even a stockholder anymore.
This is the most awesome bed stylings combination I have had in many, many years. In fact, it is the best I have ever owned and it is beat only by some ritzy resort I stayed at on vacation like 20 years ago, though I admit I was pretty drunk the entire time so my memory might not be the most accurate.
But getting back to today... these sheets are great. I washed them twice - I'm not a neat freak, I am just amazingly disorganized and easily distracted while doing laundry, so tonight they went though two wash cycles and one dry. And then I put them on the bed. While these sheets are not deep pocket sheets, they don't need to be with this mattress. There is enough room and border for them to tuck and wrap with the elastic to give a strong grip under the mattress, which is important as the adjustable frame continually put the sheets and mattress though its repeated adjustable calesthenics-type positioning. The other two sheet sets I have used since I got this bed have struggled poorly with this. In the day or so and at least a dozen position changes, these sheets stay in place with no popped corners to exposing the bowl as the head and feet rise. Of course, till will tell if it lasts, but so far they are the best of the batch of sheets in my closet.
As for texture, they are awesome. I'm a dude. I don't really know what thread count or knit or whatever really means. But these sheets feel like a well-washed favorite, quality rock & roll concert t-shirt. And not one of these glitter puff stupid new groups, like a real rock band from the 80s that now charges $250 for a concert ticket and $60 for a t-shirt...but that group you saw back then, paid $10 for the shirt and you STILL have it and love to wear it because it is perfectly molded to your body, soft and reliable. The kind of shirt you will wear under your suit at work and just grin not just for mental middle finger to corporate dress codes, but because the t-shirt is just that great of a feeling.
Well, that is what these sheets feel like. And now you get to sleep in it. It is that awesome.
In LA right now we are having a nasty heat wave, but these sheets don't seem to bake me even with my stuttering AC. The flannel sheets I love seem to trigger the butt sweats as soon as I lay down in this heat, but no such problem with these.
So really, I'm absolutely happy with these things. I am going to order more in other colors as soon as Amazon gets them back in stock. Great price, great quality, great comfort, great fit, great deal. It is that simple.
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Reviewed in the United States on September 3, 2017