


about us
back a better tomorrow
billboard
launches fall 2025
back a better tomorrow
billboard
launches fall 2025
back a better tomorrow
billboard launches fall 2025
WHO ARE WE
WHO ARE WE

Ian Reis, Founder & CTO
Mandana Yousefi, Founder & COO
Together, they serve as Co-CEOs of NextBlock
NextBlock is a US-based new media company reimagining digital ads for a decentralized future. Our founders, software and strategy experts, were hobbyist podcasters struggling to promote their work online without gaming the system.
That sparked an idea: using new tech like Nostr and Bitcoin to build a decentralized attention market for people who value control and businesses seeking real connections.


open for all
open for all
Our model’s open-source! Check out the Promo Protocol on GitHub, built for promotion and attention trading.
Anyone can join this decentralized ad network. Run your own billboard or use ours. This is a growing ecosystem for a new ad economy.
Our model’s open-source! Check out the Promo Protocol on GitHub, built for promotion and attention trading.
Anyone can join this decentralized ad network. Run your own billboard or use ours. This is a growing ecosystem for a new ad economy.
Our model’s open-source! Check out the Promo Protocol on GitHub, built for promotion and attention trading.
Anyone can join this decentralized ad network. Run your own billboard or use ours. This is a growing ecosystem for a new ad economy.


Launch: Fall 2025
our vision
our vision
our vision
our vision
NextBlock wants to help build a new decentralized internet. Our revolutionary and transparent business model will bring honest revenue to companies hosting valuable digital spaces. Together, we will discover what our attention is really worth.
roadmap
NextBlock is building a digital city-state with one simple rule: citizens own their attention.
This roadmap shows the journey of vision to reality.
From foundation to NextBlock City.
NextBlock is building a digital city-state with one simple rule: citizens own their attention.
This roadmap shows the journey of vision to reality.
From foundation to NextBlock City.
The Blueprint
01
The Manifesto
The Manifesto
The city's Declaration of Independence establishes NextBlock's vision of attention sovereignty and declares independence from attention harvesting.
The Foundation
02
The PROMO Protocol
The PROMO Protocol
The city's Constitution defines how access to your attention is protected when a citizen participates in the attention marketplace.
This is the open-source protocol specification that defines how attention marketplace data is structured, exchanged, and processed across the Nostr network, enabling any developer to build competing attention marketplaces while maintaining interoperability.
03
The Observatory
The Observatory
The city's calendar that uses Bitcoin's blocks to synchronize all city operations.
This is the first implementation of Telescope, the open-source protocol specification that transforms the Bitcoin's blockchain into virtual celestial cycles, enabling any developer to build truly bitcoin-native applications.
The Economy
04
Billboard Pre-Market: Market Makers
Billboard Pre-Market: Market Makers
The initial marketplace where citizens can enter bids for attention thus creating the buyers’ side of the marketplace. Citizens can earn through referrals to secure a more robust economy.
05
Billboard Pre-Market: Fixed-Rate Billboard
Billboard Pre-Market: Fixed-Rate Billboard
The expanded marketplace where buyers can invite new citizens to earn by watching their ads thus creating the seller’s side of the marketplace. Attention sellers can view and claim payments at fixed rates.
06
Billboard Market Open: Adjustable-Rate Billboard
Billboard Market Open: Adjustable-Rate Billboard
The dynamic marketplace where attention sellers set their own prices and attention buyers bid, with automatic matching by the Observatory every Bitcoin block.
07
Attention Marketplace
Attention Marketplace
A public platform tracking attention as a commodity that provides historical data, market insights, and transparency for all marketplace participants.
City Life
08
The Corner
The Corner
A social media experience where citizens can visit their 21 favorite accounts (Nostr profiles) while earning from integrated ads.
09
The Neighborhood
The Neighborhood
A community feature where citizens can curate content and earn from curation while attention buyers get access to larger audiences.
10
Skyline
Skyline
A browser extension and passive earning tool that keeps citizens connected to NextBlock City, to be notified of opportunities to earn.
Legal Documents
Legal Documents
roadmap
NextBlock is building a digital city-state with one simple rule: citizens own their attention.
This roadmap shows the journey of vision to reality.
From foundation to NextBlock City.
The Blueprint
01
The Manifesto
The city's Declaration of Independence establishes NextBlock's vision of attention sovereignty and declares independence from attention harvesting.
The Foundation
02
The PROMO Protocol
The city's Constitution defines how access to your attention is protected when a citizen participates in the attention marketplace.
This is the open-source protocol specification that defines how attention marketplace data is structured, exchanged, and processed across the Nostr network, enabling any developer to build competing attention marketplaces while maintaining interoperability.
03
The Observatory
The city's calendar that uses Bitcoin's blocks to synchronize all city operations.
This is the first implementation of Telescope, the open-source protocol specification that transforms the Bitcoin's blockchain into virtual celestial cycles, enabling any developer to build truly bitcoin-native applications.
The Economy
04
Billboard Pre-Market:
Market Makers
The initial marketplace where citizens can enter bids for attention thus creating the buyers’ side of the marketplace. Citizens can earn through referrals to secure a more robust economy.
05
Billboard Pre-Market:
Fixed-Rate Billboard
The expanded marketplace where buyers can invite new citizens to earn by watching their ads thus creating the seller’s side of the marketplace. Attention sellers can view and claim payments at fixed rates.
06
Billboard Market Open:
Adjustable-Rate Billboard
The dynamic marketplace where attention sellers set their own prices and attention buyers bid, with automatic matching by the Observatory every Bitcoin block.
07
Attention Marketplace
A public platform tracking attention as a commodity that provides historical data, market insights, and transparency for all marketplace participants.
City Life
08
The Corner
A social media experience where citizens can visit their 21 favorite accounts (Nostr profiles) while earning from integrated ads.
09
The Neighborhood
A community feature where citizens can curate content and earn from curation while attention buyers get access to larger audiences.
10
Skyline
A browser extension and passive earning tool that keeps citizens connected to NextBlock City, to be notified of opportunities to earn.