The EOS Metro: A Manufacturing Update

We traveled to the assembly supplier to view the process of assembly and QC first-hand.

EOS New York
Jun 26 · 2 min read

The EOS Metro hardware key is turning out to be the easiest to use open-source hardware key that will be compatible with nearly all EOSIO chains.

In order to ensure the level of quality the community has come to expect from us, we made the choice to partner with manufacturers in a secure supply chain for all sensitive components to avoid any issues throughout this process.

Don’t Trust, Verify

Last week, we traveled to our manufacturing partner, Worthington Assembly, an ISO 9001:2015 Certified Company located in Massachusetts, to be taken through the QC process of the sensitive circuitry first hand.

We were very impressed with the efficiency of production and quality control that goes into each board they produce and walked away feeling confident in the direction we’re heading.

Applying the chips to the board.
Quality control to ensure every board matches the master schematic.

If you are interested in being notified when the EOS Metro device goes on sale, please visit or fill out the form below.

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