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COLDCARD (@COLDCARDwallet) — Twitter Score 72 out of 1000
Great
72Ranked #13,117 of 531,432 crypto accounts tracked by TwitterScore.io
Andrew Kang
Udi Wertheimer
Adam Back
mikedemarais.eth
Matthew Graham
Nick Szabo
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About COLDCARD's Twitter Score
COLDCARD is a Bitcoin-only hardware wallet product that uses dual secure elements and open-source firmware to deliver air-gapped key storage. COLDCARD's Twitter Score is 72 out of 1000 (a Good rating) as of July 2026, ranking #13,117 (top 5%) among 531,432 tracked accounts.
COLDCARD is made by Coinkite, a Bitcoin hardware company founded in 2012 that also produces OPENDIME, BLOCKCLOCK, SATSCARD, TAPSIGNER, and other devices. The wallet has been in production since 2017 and is designed exclusively for Bitcoin, distinguishing itself from multi-asset hardware wallets through its dedicated air-gapped architecture and focus on physical security. Its firmware is fully open-source, allowing independent review of the codebase.
COLDCARD runs on COLDCARD firmware, which underpins its security model alongside dual secure elements. In 2020, Wired reported that Ledger researchers demonstrated a physical fault-injection attack against the Mk2 model, a vulnerability that Coinkite addressed in the subsequent Mk3 revision. The wallet also supports metal seed backup via SEEDPLATE, an accessory offered by Coinkite for durable offline seed phrase storage. COLDCARD has accumulated 65,114 followers as of July 2026 and 18,275 posts on the platform, and has been mentioned by 388 accounts a total of 2,489 times.
Who follows COLDCARD on X?
The accounts that follow COLDCARD include 295 founders, 28 angel investors, 280 influencers and 4 VCs, among them Andrew Kang, Udi Wertheimer, Adam Back, mikedemarais.eth, Matthew Graham and Nick Szabo.
