Sergej Kotliar (@ziggamon) — Twitter Score 104 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 104 out of 1000 (an Excellent rating) as of July 2026, ranking #7,613 (top 5%) among 531,432 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 11,422 followers as of July 2026 across 14,731 posts on the platform.

Sergej Kotliar has been mentioned by 164 accounts, with 353 total mentions.

Who follows Sergej Kotliar on X?

The accounts that follow Sergej Kotliar include 450 founders, 53 angel investors, 233 influencers and 7 VCs, among them ZachXBT, Erik Voorhees, Nic Carter, Anthony Pompliano, Udi Wertheimer and Hasu.