r/coldcard is a subreddit with 6k members. The community frequently discusses coldcard, wallet, crypto, security, and seed, and the most common flair used is support, show & tell, security, coinkite news, and wall of love.
SECURITY ADVISORY ⚠️ check blogpost.
Official COLDCARD subreddit by Coinkite. Help with COLDCARD Q, Mk5 and Mk4; Bitcoin self-custody, air-gapped signing, PSBTs, multisig, NFC, Seed Vault, BIP-85, firmware, and security. Never share a seed phrase, private key, backup, PIN, passphrase, order details, or personal information. Staff will never contact you first or ask for secrets.
Popular Topics in r/coldcard
#1
Coldcard
172 posts
#2
Wallet
54 posts
#3
Crypto
37 posts
#4
Security
28 posts
#5
Seed
21 posts
#6
Q
13 posts
#7
Passphrase
13 posts
#8
Cold Card
13 posts
#9
Sparrow
12 posts
#10
Multisig
12 posts
Flair Used in r/coldcard
#1
Support
: "I just cant believe this is real"
25 posts
#2
SHOW & TELL
: "Coldcard Hacker discovered mixers and is doing a terrible job"
12 posts
#3
SECURITY
: "Am i safe?"
11 posts
#4
Coinkite News
: "COLDCARD Security Update: Seed Generation, Transaction Integrity, and Data Isolation"
8 posts
#5
Wall of Love
: "Any hope for stolen funds?"
6 posts
#6
Feature request
: "Coldcard: The Gold Standard in Bitcoin Security"
4 posts
#7
SETUP
: "Dice Roll Users"
4 posts
#8
COLDCARD Q
: "Pokémon Red on a spare COLDCARD Q: IT WORKS!"
3 posts
#9
NVK on the 🎙
: "What is up with Coldcard/Coinkite's messaging on social media?"
2 posts
#10
Calculator Crew Recommendations :upvote:
: "Generate truly random seed words using only dice or playing cards"
2 posts
Member Growth in r/coldcard
Yearly
+1k members(25.4%)
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About
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Last updated: October 1, 2026