Sergej Kotliar (@ziggamon) — Twitter Score 109 out of 1000

Sergej Kotliar is a crypto entrepreneur who founded Bitrefill, a crypto-only platform offering gift cards, prepaid mobile refills, eSIMs, bill payments, and Lightning Network services. Sergej Kotliar's Twitter Score is 109 out of 1000 (an Excellent rating) as of October 2026, ranking #6,420 (top 5%) among 493,668 tracked accounts.

Sergej Kotliar founded Bitrefill to help people spend bitcoin on everyday purchases. Under his leadership, Bitrefill built out significant Lightning Network infrastructure, including Thor channel-opening services and ThorAPI integrations for exchanges such as Coinbase. Bitrefill also introduced a reloadable Visa card in Europe that accepts bitcoin via Lightning, extending its reach into everyday payments.

Sergej Kotliar has continued to push Bitrefill's technical development, with the company's GitHub organization publishing open-source tools including an MCP server and agent-skills repositories. In March 2026, Bitrefill disclosed a cyberattack attributed to North Korea's Lazarus Group, a significant security event for the company. Sergej Kotliar posts as @ziggamon and has accumulated 11,637 followers as of October 2026 across 14,760 posts on the platform.

Sergej Kotliar has been mentioned by 165 accounts, with 354 total mentions.

Who follows Sergej Kotliar on X?

The accounts that follow Sergej Kotliar include 492 founders, 57 angel investors, 201 influencers and 7 VCs, among them ZachXBT, Erik Voorhees, Nic Carter, Anthony Pompliano, Hasu and CL.