Coinkite Blog
blog.coinkite.com · Company blog · on HN since 2013
Company blog of Coinkite, a Bitcoin hardware wallet and services maker, with product announcements and security advisories.
What HN saysHN links it for the Coldcard Mk3 seed generation advisory and technical entropy write-up. One commenter calls Coinkite's trust model useful but not for everyone.
15HN people shared it
5linked it in comments
38stories submitted
121story points
3 months agolast shared
2013people per year2026
Most-shared posts
- 1Coldcard Mk3 security advisory: seeds from firmware 4.0.1 onward may be at risk4 people · 4 points · first shared 2026 · 1 comments on HN
- 2Ongoing Bitcoin Malleability Attack (Low S / High S)3 people · 7 points · first shared 2015 · discussion on HN
- 3Technical Deep Dive into the Entropy Issue2 people · 1 points · first shared 2026 · 1 comments on HN
- 4Launching Co-Sign Pages and M-of-15 Multisig API1 people · 24 points · first shared 2014 · 10 comments on HN
- 5Nyms: Anon Personas and Payment Pages for All1 people · 11 points · first shared 2014 · 4 comments on HN
- 6Send Bitcoin by SMS Worldwide1 people · 7 points · first shared 2014 · discussion on HN
- 7Show HN: Bitcoin Wallet-as-a-Service1 people · 6 points · first shared 2014 · 1 comments on HN
- 8Show HN: Public Obelisk Server for the Community1 people · 6 points · first shared 2014 · 1 comments on HN
- 9Python Code for Offline Transaction Signing (P2SH, M-of-15)1 people · 5 points · first shared 2014 · discussion on HN
- 10Multisig Done Right: Launching Co-Sign Pages and Multisig API (M-of-15)1 people · 5 points · first shared 2014 · discussion on HN
- 11Bitcoin wallet service Coinkite closing down1 people · 5 points · first shared 2016 · discussion on HN
- 12Coinkite Has an Onion for Tor1 people · 4 points · first shared 2014 · discussion on HN
- 13Spells of Genesis has raised over 860 Bitcoins using Coinkite Multisig1 people · 3 points · first shared 2015 · discussion on HN
- 14BitKit, the Coinkite Bitcoin API, Now on Tor Network1 people · 3 points · first shared 2015 · 1 comments on HN
- 15Bitcoin Payment Buttons and Pages. Secure, Safe, Private1 people · 3 points · first shared 2015 · 1 comments on HN
What HN people wrote when they linked it
petertodd · 2014-11-21
I've always told people in the past the Coinkite's model - trust Coinkite to handle security for you - has a valuable place in the Bitcoin ecosystem, however it's certainly not for everyone. I personally use Coinkite to store a portion amount of my Bitcoin savings as a diversity measure, but I'd never trust them with everything.
But this new multisig support gives you the option to have the best of both worlds: Coinkite helps keep your Bitcoin's safe, and so do you. And I'll probably move the Bitcoins I currently store at Coinkite to a Coinkite multisig account myself.
Disclaimer: I'm Coinkite's Chief Naysayer. http://blog.coinkite.com/post/85842528071/peter-todd-joins-coinkite-as…
wslh · 2026-08-01
Coldcard Security Advisory: https://blog.coinkite.com/coldcard-mk3-seed-generation-warning/
svenfaw · 2026-07-31
Vendor advisory post:
https://blog.coinkite.com/coldcard-mk3-seed-generation-warning/
Technical deep dive:
https://blog.coinkite.com/entropy-technical-backgrounder/
callahad · 2017-11-28
I don't have any BTC on hand, so I genuinely don't know. The barista I spoke with mentioned that they get four or five transactions per week, and they had a physical POS terminal for Bitcoin transactions, similar to the one CoinKite was producing a few years ago: http://blog.coinkite.com/post/76526284739/did-you-know-that-with-the-c…
nvk · 2015-05-19
Here is the official blog post about it http://blog.coinkite.com/post/119362064671