Guy-Louis Grau (@glgrau) — Twitter Score 10 out of 1000
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10Ranked #91,100 of 493,668 crypto accounts tracked by TwitterScore.io
Jesse Powell
mikedemarais.eth
Eddy Lazzarin ☀️
Julien B.
Péter Szilágyi
Pedro Gomes
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About Guy-Louis Grau's Twitter Score
Guy-Louis Grau is a crypto hardware wallet developer who leads the Keycard program, focused on open-source self-custody tools and digital sovereignty. Guy-Louis Grau's Twitter Score is 10 out of 1000 as of October 2026, ranking #91,100 among 493,668 tracked accounts.
Guy-Louis Grau works at Keycard as Program Lead, overseeing development of an open-source smartcard hardware wallet built under the Institute of Free Technology. Previously, he worked at Status as a Product Manager. Keycard was first introduced as Status Hardwallet at Devcon3 in November 2017, relaunched under its current name in February 2019, and fully launched in June 2020.
Guy-Louis Grau has been active in shaping the technical and philosophical direction of Keycard. He co-presented a Devcon workshop framing Keycard as an open-source smartcard framework and API for building cryptocurrency smartcards, and authored a Keycard manifesto making the case that open, secure self-custody tools are foundational to digital sovereignty. The project also includes Keycard Shell, an air-gapped companion device that signs transactions through QR codes.
Guy-Louis Grau has accumulated 1,003 followers as of October 2026 across 766 posts. He has been mentioned by 12 accounts, with 17 total mentions.
Who follows Guy-Louis Grau on X?
The accounts that follow Guy-Louis Grau include 37 founders, 6 angel investors and 9 influencers. Among them are Jesse Powell, mikedemarais.eth, Eddy Lazzarin, Julien B, Pter Szilgyi and Pedro Gomes.
