Leonardian Leonardian is a company that develops a blockchain-based marketplace connecting individuals and companies who need assets and services in the digital domain with the ones who offer such. | ![]() Exchange Union Exchange Union is a platform that connects digital asset exchanges all around the world. The Company offers users access to all traded pairs, with liquidity at market price. | |||
Founding Date | Founding Date 2018 | Founding Date N/A | Founding Date 2016 | Founding Date 2017 |
Type | Type Private | Type Private | Type Private | Type Subsidiary |
Tags | ||||
Locations | Locations Sofia, BG HQ | Locations Shanghai, CN HQ | Locations Auckland, NZ HQ Melbourne, AU Singapore, SG London, GB | Locations HQ |
Employees | Employees 1 | Employees 5 | Employees 5 | Employees 1 |

Exchange Union is a platform that connects digital asset exchanges all around the world. The Company offers users access to all traded pairs, with liquidity at market price.
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Centrality is developing a peer-to-peer blockchain marketplace.
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