Coldcard Version 4.0.0 Released For Improved Bitcoin Security

Coldcard Version 4.0.0 Released For Improved Bitcoin Security

Coinkite has released version 4.0.0 of its Coldcard {hardware} pockets product, a major replace centered on enhancing the safety features inside the pockets.

Coinkite is a bitcoin-only, privacy- and security-focused {hardware} producer. As its flagship product, the Coldcard has been fashionable within the Bitcoin maximalist group since its inception in late 2017. It is open supply, packed stuffed with effectively thought of safety features and technically advanced in its privateness improvements. It makes use of air-gap capacity to function totally with out a pc, and is designed to securely retailer non-public keys.

This replace included main inside modifications designed to enhance the safety and privateness that the pockets can supply its customers. For occasion, with the replace a Coldcard can now make the most of the identical elliptic curve library that Bitcoin itself makes use of to generate its cryptographic features.

“[Coldcard is] now utilizing Bitcoin Core’s ‘libsecp256k1’ for all EC [elliptic curve] crypto operations,” states the discharge announcement. “This is the exact same code utilized by Bitcoin Core to your Bitcoins on-chain.”

In addition, the twenty-fourth seed phrase for recovering on-chain bitcoin can now be calculated for a consumer.

“During seed phrase import, after 23 phrases are supplied, Coldcard will calculate the proper checksum and present the legitimate decisions for the final phrase (there will probably be 8 sometimes),” in line with the announcement.

There are varied different new options as effectively, and the discharge is offered for obtain now through the Coinkite launch announcement. 

Published at Fri, 19 Mar 2021 17:43:06 +0000

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