DocHexHodl's profile picture. Co-Founder Coinkite. Programmer at coldcardwallet

DocHEX |Coinkite 🇨🇦

@DocHexHodl

Co-Founder Coinkite. Programmer at coldcardwallet

Hi @ordinaryday_c have you tried setting it up ?


Hi Sassy — yes, we’ve got step-by-step video guides on setup, multisig, and PSBT signing. Are you looking to use it with Sparrow, Electrum, or another wallet?

do you have a video demonstration of precise and easy use of Coldcard?



Hi @dean_torcasio Thanks, Dean — glad you’re enjoying Model Q! Was there a specific feature or workflow that stood out to you most?


Hello @fauha_ are you still facing this issue ?


Love hearing that, Charles! The Q model brings secure NFC and USB-C to the mix — are you planning to keep it in your multi-sig flow or use it standalone?

I have 3 Mk4 wallets that I've been using in a multi-sig setup. Every new bitcoiner that I orange pill of which there are many, I always refer them to ColdCard as the safest way to self custody their hard earned sats. Would love to upgrade to the Q model with my pizza today.



DocHEX |Coinkite 🇨🇦 reposted

Secure your Bitcoin like a pro. Use code Simply for 5% off your COLDCARD! ⚡

As the value of Bitcoin rises, security shouldn't be an afterthought. COLDCARD isn't just about storing your private keys - its about securing them. 🔐 Fully air-gapped, multisig, offline signing - its the best way to protect your wealth.



DocHEX |Coinkite 🇨🇦 reposted

Successfully reproduced Coldcard Q1 firmware v1.3.3Q from source—bit-for-bit identical to the official release (excluding ECDSA signature). Proof of strong #ReproducibleBuilds and open auditability for Bitcoin hardware wallets. Full details: walletscrutiny.com/hardware/coldc… #Bitcoin

walletscrutiny.com

Coldcard Q

Review of Coldcard Q (verdict: sourceavailable)


DocHEX |Coinkite 🇨🇦 reposted

What goes together better than Pizza and #COLDCARD? Nothing.. We’re celebrating #BitcoinPizzaDay by giving away a COLDCARD Q 🍕 Retweet and Comment your favorite pizza toppings to enter. It gets even better - The store is 15% OFF starting midnight ET 🚨


DocHEX |Coinkite 🇨🇦 reposted

Buy a Coldcard from Coinkite, buy some Sats and put it into cold storage through Sparrow. Now. Thank me later. 🧡


DocHEX |Coinkite 🇨🇦 reposted

ColdCard is legit.

What goes together better than Pizza and #COLDCARD? Nothing.. We’re celebrating #BitcoinPizzaDay by giving away a COLDCARD Q 🍕 Retweet and Comment your favorite pizza toppings to enter. It gets even better - The store is 15% OFF starting midnight ET 🚨



DocHEX |Coinkite 🇨🇦 reposted

Pepperoni, but this device is better than any pizza. As a geek, i will never forget if you send one to me. Sign hard with Coldcard.

What goes together better than Pizza and #COLDCARD? Nothing.. We’re celebrating #BitcoinPizzaDay by giving away a COLDCARD Q 🍕 Retweet and Comment your favorite pizza toppings to enter. It gets even better - The store is 15% OFF starting midnight ET 🚨



DocHEX |Coinkite 🇨🇦 reposted

Life might be good, but have you tested your cold storage backups lately? Do you still remember where they are, how to get them, what that funny passphrase was, and so on? Trust your stack, but don't forget to verify it periodically. It's easy with a Coldcard Q. h/t @nvk


DocHEX |Coinkite 🇨🇦 reposted

🔐 ¿Sabes cómo funciona una billetera fría y por qué es clave para proteger tus criptoactivos? En este video te damos una revisión técnica y un tutorial completo sobre la Coldcard Mk4, ideal para quienes quieren aprender a custodiar sus fondos con seguridad. 🎥 Mira el video…


DocHEX |Coinkite 🇨🇦 reposted

ハードウェアウォレットTier表 *ビットコイン初心者が実際に使った上での偏見込み S Tier:Coldcard →もし莫大なビットコインを持ってたら間違いなくこれを選ぶ。送受金をやってみることで「トランザクション」「署名」「ブロードキャスト」が体験できて理解しやすく解像度が上がった。 A…

BTCShota's tweet image. ハードウェアウォレットTier表
*ビットコイン初心者が実際に使った上での偏見込み

S Tier:Coldcard
→もし莫大なビットコインを持ってたら間違いなくこれを選ぶ。送受金をやってみることで「トランザクション」「署名」「ブロードキャスト」が体験できて理解しやすく解像度が上がった。

A…

DocHEX |Coinkite 🇨🇦 reposted

Coldcard Q is not working with @nunchuk_io on macOS, I'm using the testnet, I can export the transaction but I can't import it using BBQr/QR. @COLDCARDwallet


Hello @Carty_Yeah Please follow back and send a direct message so I can reach out directly.


I’d like to send you a direct message about this, but your DMs are locked. Please follow back so I can reach out directly PETE!

Fck staking! Coinbase wallet beat me for 10k w their staking thru some bullshit kiln dapp, never gave permission to touch my funds n boom, gone! Staking is wack as FCK!



DocHEX |Coinkite 🇨🇦 reposted

Fck staking! Coinbase wallet beat me for 10k w their staking thru some bullshit kiln dapp, never gave permission to touch my funds n boom, gone! Staking is wack as FCK!


I’d like to send you a direct message about this, but your DMs are locked. Please follow back so I can reach out directly Jose!

Hi @Kiln_finance @Ledger , it’s been over 40 days since I requested my ETH unstake. The app shows the funds are “Ready”, but the Withdraw button remains inactive. I contacted support over 24 hours ago and still no reply. Could you please look into this? #Ethereum #Staking #DeFi



Hello @badab1ngny I’d like to send you a direct message about this, but your DMs are locked. Please follow back so I can reach out directly.


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