Bitcoin Security and Fun Devices
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Made in Canada
Coinkite is a leader in security and hardware manufacturer, est. block 141,000.
Maker of some of the most iconic Bitcoin products, such as OPENDIME, COLDCARD, BLOCKCLOCK, SATSCARD, TAPSIGNER and SATSCHIP.
Don't Trust–Verify
Maker of some of the most iconic Bitcoin products, such as OPENDIME, COLDCARD, BLOCKCLOCK, SATSCARD, TAPSIGNER and SATSCHIP.
Don't Trust–Verify
Our flagship hardware wallet!
The COLDCARD Q has a full QWERTY keyboard, a larger LCD screen that's easy to read, a real QR scanner and much more!
An Open & Ultra-secure Hardware Wallet!
COLDCARD Mk4 is a Bitcoin hardware wallet, it signs transactions to keep the private keys offline.
World's 1st and only Real Physical Bitcoin.
Opendime is a small USB stick that allows you to spend Bitcoin like a dollar bill. Pass it along multiple times.
BLOCKCLOCK™ mini
Our second Bitcoin Data Display.
Track #bitcoin price, see blocks as they are published and connect Opendimes to display balance, fiat value, and deposit QR.
BLOCKCLOCK™ micro
Our smallest Bitcoin Data Display.
Track the bitcoin block height, price, and other metrics right on your desk!
SEEDPLATE®
Single 24 word plate, 12 words per side!
Quality, thick steel, cut and etched in Canada. Etched text marks chemically colored in black for better legibility
TAPSIGNER™
The simple Bitcoin wallet in your pocket.
TAPSIGNER is a Bitcoin private key on a card! With it you can sign mobile wallet transactions by tapping the card on your phone.
SATSCARD™
Like cash in hand, pass physical Bitcoin along multiple times.
SATSCARD is new type of OPENDIME® in an NFC card form factor with ten times the reuse capacity.
SATSCHIP™
SATSCHIP is a Bitcoin private key an artist can embed
into a work of art! The piece carries that private key and it can never be seperated from the artwork, nor used by the artist after the art is sold.
COLDPOWER™
Power your Coldcard and other low power USB devices
from a standard 9-volt battery without any USB data concerns
CKBunker
CKBunker is a python program that you run on a computer attached to a Coldcard.
It will setup and operate the Coldcard in “HSM Mode” where it signs without a human pressing the OK key.
Websites
BitcoinTreasuries.net
An aggregated list
of public/private companies, governments, funds, ETFs and other entities that hold bitcoin.
Bitcoin.holiday
Track all important bitcoin dates in the Bitcoin Holiday Calendar,
from the release of the white paper to the death of Mt. Gox and everything in between and since then.
BitcoinMemes.info
Bitcoin memes for every occasion.
We've collected them all and aggregated them in one place. Browse, share, and contribute your own.
Bitcoin.review
Catch up on updates and Commentary on Bitcoin and related projects
and products from around the community.
BitcoinBounties.org
A collection of bounties for #Bitcoin projects.
The #Bitcoin bounty list for devs.
BitcoinBinary.org
Complex problems, simple solutions... less fud.
A repository of Reproducible Build Proofs for Bitcoin Projects.
Blockwatch.live
Track prices from exchanges, see blocks as they are published by miners,
and connect the Opendime to display balance, fiat value, and deposit QR codes on any digital display like your iWatch.
BitcoinBlackFriday.org
Explore Black Friday deals from across the Bitcoin
community and save on the latest.
BinaryWatch.org
Fetch and verify public Bitcoin binaries,
and track/alert for changes in those binaries.
Checkmsg.org
Validates any Bitcoin signed message
and is smart about ASCII armour and whitespace.
