Blockchain : Investing in blockchain solutions to real-world problems.
Hear how [Pithia](https://www.pithia.com/) and [Reflective Ventures](https://www.reflectiveventures.io/) support [RChain](https://www.rchain.coop/) by investing in the ecosystem and dApps startups.
What is the Blockchain?
A block chain is a transaction database shared by all nodes participating in a system based on the Bitcoin protocol. A full copy of a currency’s block chain contains every transaction ever executed in the currency. With this information, one can find out how much value belonged to each address at any point in history.
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