No official phone numbers are published by Blockstream. All communications are through email and social channels.
Blockstream is a Canada (CA)–based blockchain technology company founded in 2014 by Adam Back and a team of cryptographers and developers. It is widely recognized as one of the most influential companies in the Bitcoin ecosystem. Blockstream builds infrastructure for Bitcoin and the wider crypto industry, focusing on sidechains, satellite communications, mining, and self-custody solutions. One of its flagship products is the Blockstream Jade hardware wallet, designed for secure Bitcoin and Liquid asset storage. The company also develops Liquid Network (sidechain for Bitcoin), Blockstream Mining, Blockstream Satellite, and Green Wallet.
Blockstream Jade Hardware Wallet: Open-source Bitcoin and Liquid wallet with secure element.
Bitcoin-First Approach: Products and services are designed primarily for Bitcoin.
Liquid Network: A sidechain for faster, confidential Bitcoin transactions and token issuance.
Blockstream Satellite: Broadcasts Bitcoin blockchain data globally via satellites, ensuring censorship resistance.
Mining Infrastructure: Offers enterprise-grade Bitcoin mining hosting services.
Green Wallet: A secure mobile wallet with multisig security and integration with Jade.
Open-Source Commitment: Transparent codebases and community collaboration.
Institutional & Retail Solutions: From Jade wallet for individuals to Liquid and mining for enterprises