FOUNDER & PRODUCT BUILDER

Sina Estavi I turn ideas
into products.

Working across AI, fintech, software and digital culture — turning complexity into clear, useful experiences.

SELECTED WORK

Technology matters when it becomes useful.

CURRENT FOCUS / LONDON

A new chapter built around practical products.

Bridge HQ is the source-controlled portfolio identity for current product work; each product keeps its own release and evidence boundary.

Read the official biography

CURRENT UPDATE

JUL / 2026WEB STUDIO LIVE

NanoMoz’s official pages now present the Web Studio as live.

Text and own-photo creation are marked live. Paid packs remain “Opening soon,” and the standalone iPhone experience remains in development; no App Store release is claimed.

See NanoMoz

DIGITAL OWNERSHIP / 2021

A moment in the history of digital ownership.

Through Valuables, Sina Estavi acquired the NFT associated with Jack Dorsey’s first tweet for 1,630.5825601 ETH, valued at $2,915,835.47 at the time.

The acquisition concerned the NFT, not ownership of the underlying tweet or its copyright.

View the sourced timeline

FROM THE JOURNAL

Thinking alongside the work.

View the journal

PUBLIC RECORD / CRYPTOLAND & BRG

When the story is incomplete, the evidence must be visible.

Iran International reported — citing court documents, a court-appointed expert’s report, blockchain records, video and audio — that more than 2.4 billion BRG were sold after my arrest, estimating the value above $21 million. The new record separates documents, reported findings, first-person account and evidentiary limits.

6BBRG reported moved after detention
2.4107BBRG sold in the reported expert record
$21.7M+Iran International’s conservative estimate

MEDIA & PRESS

Official information, ready for a serious conversation.

Use the media page for official biographies, verified profile links and interview themes covering products, AI, fintech, digital ownership and the public record.

COLLABORATION & CONTACT

Build, speak or collaborate.

For product collaboration, media requests, speaking opportunities and professional enquiries, use the official contact routes.

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