Lefteris Karapetsas (@LefterisJP) — Twitter Score 360 out of 1000

Lefteris Karapetsas is an Ethereum developer and open-source software author who founded rotki, a privacy-focused, self-hosted crypto portfolio tracker and accounting tool. Lefteris Karapetsas's Twitter Score is 360 out of 1000 (an Excellent rating) as of October 2026, ranking #724 (top 0.5%) among 493,668 tracked accounts.

Lefteris Karapetsas founded rotki, which describes itself as an open-source, local-first portfolio manager, accounting and analytics tool that stores user data locally and encrypted. He works at Rotki Solutions GmbH, the company behind the project, where he serves as its representative. The tool is released under the AGPLv3 license and has seen active development across more than 130 releases on GitHub. Lefteris Karapetsas is also the author of emacs-solidity, the official Solidity mode for Emacs, and of refulang, both of which are part of his broader work within the Ethereum developer ecosystem.

Lefteris Karapetsas has 73,471 followers as of October 2026 and has published 68,912 posts on the platform. He has been mentioned by 395 accounts, with 948 total mentions. As an angel investor, Lefteris Karapetsas has backed WalletConnect, KPK, Safe.eth, OWN - Digital Asset Mortgages, Infinex and Karpatkey Now Kpkio.

Who follows Lefteris Karapetsas on X?

Lefteris Karapetsas draws a technically oriented following from across the crypto space. The accounts that follow Lefteris Karapetsas include 1,437 founders, 350 angel investors, 433 influencers and 14 VCs, among them Toly, vitalik.eth, jesse.base.eth, ZachXBT, Cobie and Erik Voorhees.