
Coinkite
Coinkite has introduced their newest product, Satslink. The under-production gadget sits on the intersection of many alternative areas of communications and cellular {hardware}, empowering builders to construct a complete slew of various purposes.
Slightly than leaning on an opinionated framework, Satslink leverages open and versatile {hardware} enclosed by the Coldcard Q1’s exterior to convey selection and adaptability to builders. These in possession of this gadget can select what to do with it, and let their builder mentalities run wild on the various totally different prospects the piece of {hardware} can supply.
At its core, Satslink is a peer-to-peer, hackable multi-purpose gadget. It incorporates a safe aspect, as typical of Coinkite merchandise, permitting the consumer to securely retailer non-public keys throughout the gadget. Whereas it shares the exterior design with the Coldcard Q1, the internals are completely totally different from the corporate’s newest {hardware} pockets. As an alternative of specializing in air gapped safety, the Satslink goals to convey safe communications to the day after day in ways in which few would’ve thought-about attainable.
“Being dissatisfied with the linked and DIY choices, we felt the necessity to create a greater scorching platform,” NVK, founder at Coinkite, advised Bitcoin Journal. “Bitcoin is increasing scripting/mpc choices and we now have Nostr. Somebody needed to make a superb linked and moveable gadget for builders and fanatic to create the subsequent technology of freedom performance.”
Satslink leverages ESP32-S3, a low-power MCU-based system on a chip (SoC) with built-in 2.4 GHz Wi-Fi and Bluetooth Low Vitality (Bluetooth LE). It consists of high-performance dual-core microprocessor (Xtensa® 32-bit LX7), a low energy coprocessor, a Wi-Fi baseband, a Bluetooth LE baseband, RF module, and quite a few peripherals. Satslink is programmed in micropython, with its supply fully-available, and it’s fully subject upgradable with no locked-down ROM areas. Coinkite’s product additionally incorporates a MicroSD slot for knowledge switch.

Coinkite
“The preliminary goal is builders and fanatics,” NVK stated. “However, due to the patron pleasant type issue, they may have the ability to begin utilizing something the neighborhood creates. Like scorching and sovereign lightning wallets and Nostr shoppers!”
Nostr, the open communications protocol that went viral after Block CEO and Twitter founder Jack Dorsey began endorsing and funding the venture, is prime of the record of attainable use instances for Satslink. Given its peer-to-peer communication capabilities, Satslink can be utilized as a Nostr consumer, and since it could possibly additionally work as a relay, one may ship and obtain messages as Nostr posts with out these ever hitting the web. Think about a localized Nostr made up of many Satslink gadgets speaking to one another by a type of mesh community as an alternative of the open net. That could possibly be attainable with this gadget.
One other attention-grabbing use case that many bitcoiners may relate to is having a sovereign controller for his or her home-based bitcoin stack. As some bitcoiners run bitcoin nodes and typically even self-hosted servers at dwelling, one may program the Satslink to connect with their dwelling stack on demand and carry out desired actions remotely and securely given its networking capabilities. Satslink could possibly be used to run a transaction coordinator, as an example, or be used as a complete pockets –– although Coinkite doesn’t suggest utilizing the Satslink as your go-to chilly storage answer for giant bitcoin quantities.
Satslink’s communication options additionally boast NFC and a QR code reader, enabling much more use instances for its eventual customers. Notably, this mixture paired with Satslink’s versatility and programmability may even be used to show it right into a {hardware} pockets of one other producer. Whether or not that’s fascinating or not, fact is it could possibly be attainable to show a Satslink into Blockstream’s JADE pockets or different comparable DIY {hardware} wallets.
Whereas the probabilities are infinite, what customers really construct with this product stays to be seen. Coinkite’s gadget is at present obtainable to preorder on the corporate’s web site at a $189 price ticket, and it’s nonetheless unclear when the product will begin delivery to consumers.