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How much do patents really cost?

A couple of interesting articles…

How to quickly create an advertising network with a daily audience of 10 million people?

7 reasons to invest in ledder

Cool team;
The revolutionary technology;
Powerful patent protection;
Transparent business model;
Tokens…

We present the concept of a digital billboard of the future: without connectors, solar energy, autonomous service…

The use of military technology in startups

How Ledder uses military technology in its products to create digital advertising…

Uninterrupted, cheap digital billboard advertising? It is possible!

Ledder creates a 2-tier blockchain architecture capable of processing up to 1000 payment transactions and 200,000…

How to save token value during the first year?

According to analysts, 95% of tokens depreciate in value by 5–10 times during…

How Ledder will comply with local advertising laws around the world