{"product_id":"keystone-3-pro","title":"Keystone 3 Pro","description":"\u003cp\u003eThe \u003cb\u003eKeystone 3 Pro\u003c\/b\u003e is a 4-inch touchscreen hardware wallet with \u003cb\u003ethree separate secure element chips\u003c\/b\u003e, a fingerprint reader, and firmware that is open source right down to the secure element implementation.\u003c\/p\u003e\n\n\u003ch3\u003eThree secure elements, each with one job\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMicrochip ATECC608B\u003c\/b\u003e — secures your recovery phrase\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaxim DS28S60\u003c\/b\u003e — creates a trusted environment for recovery storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaxim MAX32520\u003c\/b\u003e — secures your fingerprint data\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSplitting these roles across separate chips means compromising one does not hand over the wallet.\u003c\/p\u003e\n\n\u003ch3\u003eOpen source, including the parts nobody else opens\u003c\/h3\u003e\n\u003cp\u003eKeystone publishes not only firmware but \u003cb\u003esecure element firmware, circuit layouts and the bill of materials\u003c\/b\u003e. Almost every competitor keeps its secure element implementation closed, because chip vendors require it. Keystone describes the device as 100% open source.\u003c\/p\u003e\n\n\u003ch3\u003eSigning: QR by default, USB available\u003c\/h3\u003e\n\u003cp\u003eThe Keystone 3 Pro signs by scanning QR codes with its camera, so it can operate with no connection at all. It has \u003cb\u003eno Bluetooth and no WiFi\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003eTo be accurate: the USB-C port \u003cb\u003edoes\u003c\/b\u003e carry data, used for firmware updates and MetaMask integration. Keystone lets you switch it to charge-only mode if you want a strict air gap. Many retailers describe this wallet as \"QR only\" — that is not what Keystone's own documentation says, and you should know exactly what you are getting.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4-inch LCD touchscreen, 480 x 800\u003c\/li\u003e\n\u003cli\u003eFingerprint sensor — up to 3 fingerprints, for unlocking or for signing\u003c\/li\u003e\n\u003cli\u003eUSB-C (data, switchable to charge-only), camera, MicroSD slot (card not included)\u003c\/li\u003e\n\u003cli\u003e62.44 x 103.9 x 12.08 mm, 103 g, PC + ABS\u003c\/li\u003e\n\u003cli\u003e1000 mAh lithium-ion battery\u003c\/li\u003e\n\u003cli\u003ePCI-level anti-tamper protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBackup and wallets\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e12 or 24-word recovery phrase, or \u003cb\u003eShamir Backup\u003c\/b\u003e with a configurable number of shares\u003c\/li\u003e\n\u003cli\u003eManages \u003cb\u003e3 separate wallets at once\u003c\/b\u003e, each with its own PIN\u003c\/li\u003e\n\u003cli\u003ePassphrase supported\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBitcoin-only firmware\u003c\/h3\u003e\n\u003cp\u003eKeystone offer a Bitcoin-only firmware that strips out all altcoin code to narrow the attack surface. It is a firmware you flash, not a separate device, so you can decide after buying.\u003c\/p\u003e\n\n\u003ch3\u003eCoins and compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5,500+ coins and tokens across 200+ blockchains, and 45+ software wallets\u003c\/li\u003e\n\u003cli\u003eKeystone Nexus app on iOS and Android, connected by QR scan\u003c\/li\u003e\n\u003cli\u003eMetaMask and OKX Web3 Wallet integrations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIn the box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKeystone 3 Pro\u003c\/li\u003e\n\u003cli\u003eUSB-C to USB-C charging cable\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003cli\u003e6 seed phrase sheets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eIs it fully air-gapped?\u003c\/b\u003e\u003cbr\u003eIt can be. QR signing needs no connection, and USB data can be switched off. Out of the box the USB port carries data for firmware updates.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWhy three secure elements?\u003c\/b\u003e\u003cbr\u003eEach protects a different thing, so a weakness in one does not expose your recovery phrase, your storage environment and your fingerprint all at once.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCan I really run three wallets?\u003c\/b\u003e\u003cbr\u003eYes, three separate seed phrases on one device, each behind its own PIN.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDoes it work with an iPhone?\u003c\/b\u003e\u003cbr\u003eYes, through the Keystone Nexus app by QR scan.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eIs a MicroSD card included?\u003c\/b\u003e\u003cbr\u003eNo. The slot is there for firmware updates and backups, but you supply the card.\u003c\/p\u003e\n\n\u003ch3\u003eBuying from SIAMBC\u003c\/h3\u003e\n\u003cp\u003eSIAMBC is Thailand's authorized Keystone distributor, with a physical store in Bangkok. Every unit is new, sealed and sourced directly. Support is available in Thai and English.\u003c\/p\u003e\n\n\u003ch3\u003eONE RULE TO REMEMBER\u003c\/h3\u003e\n\u003cp\u003eAnyone who asks for your recovery phrase is a scammer. No exceptions.\u003c\/p\u003e\n\u003cp\u003eNeither SIAMBC nor Keystone will ever ask for it, whatever reason is given — warranty claims, identity verification, system updates or account recovery. Those words are the key to your funds. Whoever has them owns your crypto, and it can never be recovered.\u003c\/p\u003e\n\u003ch3\u003eWhere will you keep your recovery phrase?\u003c\/h3\u003e\n\u003cp\u003eYour wallet comes with a paper card to write the words on. That card is one house fire, one flood or one termite nest away from gone — and if the words are gone, so is the crypto. Putting them into steel removes all three risks at once.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/fr\/products\/csafe-lite\"\u003e\u003cb\u003eCryptoSafe Lite\u003c\/b\u003e\u003c\/a\u003e — from ฿299. Stamp or engrave the words yourself; sets are available with the tools included.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/fr\/products\/csafe-bank\"\u003e\u003cb\u003eCryptoSafe Bank\u003c\/b\u003e\u003c\/a\u003e — ฿1,290. Industrial grade, with three inner plates and a punch tool in the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/fr\/products\/csafe-pro\"\u003e\u003cb\u003eCryptoSafe Pro\u003c\/b\u003e\u003c\/a\u003e — ฿1,790. Pre-engraved steel tiles slide into place, so there is nothing to stamp. Holds up to 96 characters.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/fr\/products\/csafe-capsule\"\u003e\u003cb\u003eCryptoSafe Capsule\u003c\/b\u003e\u003c\/a\u003e — ฿1,990. A sealed stainless capsule that also resists physical impact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSave 20% on any CryptoSafe when you buy it with a hardware wallet.\u003c\/b\u003e The discount is applied automatically in your cart — there is no code to enter.\u003c\/p\u003e","brand":"Keystone","offers":[{"title":"Default Title","offer_id":45785274351873,"sku":"KS3PRO","price":5990.0,"currency_code":"THB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/2056\/3969\/files\/keystone_3_pro_2.jpg?v=1732245168","url":"https:\/\/siambc.co.th\/fr\/products\/keystone-3-pro","provider":"SIAMBC","version":"1.0","type":"link"}