We are happy to announce that the serious flaw in Dexter, which was discovered by the Nomadic Labs team in February, has been patched, and Dexter is back online. (For a full technical description of the flaw, see this blog post from Nomadic Labs). We welcome users back to the exchange.

A rewrite of the Dexter contract, produced by outside experts at Nomadic Labs and LIGO, is also in the works and should be released in a few weeks. This new version of Dexter will have improved functionality and consume less gas.

To avoid delays for the users of Dexter, we have decided to go live again with the patched contract for now, and will be announcing the new contract after it is audited by an independent third party.

We will have more news to share with you regarding the future of Dexter soon.

We write today to issue an apology to the community about the serious flaw that was found in Dexter.

We were recently notified by Nomadic Labs that in examining our contract in advance of the latest protocol upgrade proposal, they discovered a flaw in Dexter that would permit an attacker…

We are building a mobile wallet for Tezos. We’ve been working on this project for several months, and since it’s open source, you can follow our progress here. It’s called Magma. We are thankful to the Tezos Foundation for providing us with the funding to make this possible.

Version 1.0

Magma will…


What a fine day for science.

– Dexter, Dexter’s Laboratory

As Nick Szabo first said, trusted third parties are security holes. Nowhere is this more apparent than in popular centralized digital asset exchanges. …



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