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Chris Maddern
OpenSea
@chrismaddern
CTO @opensea. The future is onchain. Previously built @rally_xyz, @button, @venmo, @linksdao, @corkbin. Made in 🇬🇧. I ❤🍷. All Tweets my own
New York City
opensea.io
Joined March 2008
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  • Pinned
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    Chris Maddern
    OpenSea
    @chrismaddern
    Jul 8, 2025
    Article cover image
    Rally is joining OpenSea to build the onchain everything app
    I’m extremely excited to announce that OpenSea has acquired Rally 🎉 The Rally team brings deep expertise in mobile & token trading to OpenSea. My co-founder @christine_hall and I will be joining the...
    300K
  • user avatar
    Chris Maddern
    OpenSea
    @chrismaddern
    Nov 12, 2017
    We interrupt this timeline of depressing shit to bring you this... a baby lion learning to roar. 🦁 x.com/BabyAnimalPics…
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    Chris Maddern
    OpenSea
    @chrismaddern
    Jan 28, 2022
    I will not buy NFT projects that force people to grind in their discord. we have to end this trend.
  • user avatar
    Chris Maddern
    OpenSea
    @chrismaddern
    Dec 20, 2016
    Didn't exist in 2006: iPhone iPad Kindle Uber Airbnb Android Oculus Spotify Nest Stripe Square Instagram Slack Spotify Snapchat
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    Chris Maddern
    OpenSea
    @chrismaddern
    Jun 12, 2016
    How about we treat every man who wants to buy a gun, like every woman who wants an abortion. 🙌👌
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    Chris Maddern
    OpenSea
    @chrismaddern
    Sep 25, 2021
    there isn’t a good nft portfolio tracker so i’m making one
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    Chris Maddern
    OpenSea
    @chrismaddern
    Feb 16, 2020
    In a world where you can be anything, be kind. — @carolineflack1
  • user avatar
    Chris Maddern
    OpenSea
    @chrismaddern
    Jun 3, 2017
    What's the difference between Software Engineers, Programmers & Developers? 👍 Jer, 👍!
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    Chris Maddern
    OpenSea
    @chrismaddern
    Jun 7, 2021
    Apple is now a VPN provider, built right into iOS. #wwdc21
  • user avatar
    Chris Maddern
    OpenSea
    @chrismaddern
    Jun 21, 2020
    This may be the greatest sign ever made!
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    Chris Maddern
    OpenSea
    @chrismaddern
    Aug 28, 2019
    You won’t remember how much money you made throughout your career. However, you will remember every single person that opened a career door for you. Open doors for others. It means everything to them. And you’re a door opener. It costs you nothing.
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    Chris Maddern
    OpenSea
    @chrismaddern
    Jun 13, 2019
    This video is more dramatic than the actual movie “The Social Network”
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    TNW
    00:00
    TNW
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    Chris Maddern
    OpenSea
    @chrismaddern
    May 31, 2020
    Heroes among heroes. 🙌
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    Andrew Solender
    00:00
    Andrew Solender
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    Chris Maddern
    OpenSea
    @chrismaddern
    Jan 28, 2017
    Abdul Fattah Jandali emigrated to the US from Syria in 1954. His son, Steve Jobs went on to shape the American technology revolution.
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