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Chris Maddern Profile
Chris Maddern

@chrismaddern

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48K
Following
88K
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6K
Statuses
48K

CTO @opensea. The future is onchain. Previously built @rally_xyz, @button, @venmo, @linksdao, @corkbin. Made in 🇬🇧. I ❤🍷. All Tweets my own

New York City
Joined March 2008
Don't wanna be here? Send us removal request.
@chrismaddern
Chris Maddern
3 months
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@chrismaddern
Chris Maddern
38 minutes
new leadership 101 find the big problems everyone was afraid of or felt “unsolvable” rally the team around solving them gotta give it to @nikitabier — he’s doing a great job at increasing momentum on real product at X
@nikitabier
Nikita Bier
17 hours
We're testing a new link experience, starting on iOS -- to make it easier for your followers to engage with your post while browsing links. For creators, a common complaint is that posts with links tend to get lower reach. This is because the web browser covers the post and
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@chrismaddern
Chris Maddern
40 minutes
one day a year every company not on AWS turns it into some pitch on resilience that day is today
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@chrismaddern
Chris Maddern
2 hours
gm ☀️ morning ☕️ & catching up on AWS breaking the internet 😱 don't worry, your jpegs & tokens are safe 🤝
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@alexisohanian
Alexis Ohanian 🗽
1 day
OpenSea just pulled off a full rebuild post–NFT crash — fresh team, brand-new tech stack, and a way bigger vision for what’s next.
@dfinzer
dfinzer.eth | opensea
3 days
OpenSea crossed $2.6B in trading volume this month, with over 90% from token trading. This is just the beginning of our transformation, from “NFT marketplace” to “trade everything.” NFTs were chapter one for us. In 2021, OpenSea brought the first wave of everyday internet users
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@chrismaddern
Chris Maddern
2 days
😎
@Dune
Dune | We are hiring!
2 days
@obchakevich_ 6/ @opensea’s October surge hit $3.56B in 30D volume, $3.03B from tokens and $525M from NFTs (>85% token trading). Revenue rose 202% to $30.6M ($25.5M from tokens). The shift marks OpenSea’s evolution from “NFT marketplace” to “trade everything.” $SEA token coming Q1 2026.
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@chrismaddern
Chris Maddern
3 days
Thanks for the great ideas... 1. Multiple Trait Bids In build right now 🎉 2. Notifications for listings & offers Good idea! Not in flight, but as we invest in notifs on mobile too we'll be looking at these across the board 3. Hot Buy / Cold Send This should actually be very
@RJFieldsofGold
muffinL⨀vr ⟐
3 days
Might as well take another shot at begging @opensea for some features I really really want… Also bring back NFT trades… @chrismaddern @HollanderAdam @dfinzer
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@chrismaddern
Chris Maddern
3 days
it only works when we all win together 🤝
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@chrismaddern
Chris Maddern
3 days
so much amazing progress so much left to do one platform. trade everything. deeply powered by $SEA
@dfinzer
dfinzer.eth | opensea
3 days
OpenSea crossed $2.6B in trading volume this month, with over 90% from token trading. This is just the beginning of our transformation, from “NFT marketplace” to “trade everything.” NFTs were chapter one for us. In 2021, OpenSea brought the first wave of everyday internet users
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@sauleo
Sauleo ♓
3 days
🌊 @opensea 🏴‍☠️ 🙏🏼 I did my usual trading and a little extra . Bought some art traded some Pfp nfts Lost a little on the memes .. Choppy Seas . I weathered a storm and grabbed a little booty .. Onwards 🌊 Cheers @HollanderAdam @chrismaddern @dfinzer & all the team 🤙🏼.
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@chrismaddern
Chris Maddern
4 days
good luck today everyone 🤞🤞 the team is double-triple checking everything onchain now to make sure reveals & claims will be smooth 🤝 it's incredible how much work goes into safely & fairly distributing $12.2m of tokens & nfts 🤯
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@chrismaddern
Chris Maddern
4 days
one sleep til santa 🧑‍🎄 (and this is just one of the rewards vaults... the team is moving things around ahead of opening 🎉)
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@chrismaddern
Chris Maddern
5 days
the @opensea all hands is right now plan 🚀 vibes 🔥 demos 🫶
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@chrismaddern
Chris Maddern
5 days
mistakes were made in a bedtime I control 😴 there’s just too much cool stuff to ship ⛵️
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@chrismaddern
Chris Maddern
5 days
Over $11m of incredible grails, fun collections, memes & majors will find their way into the world when treasure chests open later this week This is the first time in my career I’ve genuinely had fomo not to be eligible to win in our own competition… those punks, squiggles,
@opensea
OpenSea
6 days
Just added $2.8M to the rewards pool. $1M $ETH (Base) $1M $CBBTC (Coinbase Wrapped BTC) $800K $SOL We’re now at over $11M in total rewards. This wraps up our Wave 1 acquisitions. Less than 24 hours remain to level up your chest. May the odds be ever in your favor.
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@chrismaddern
Chris Maddern
6 days
the most obvious missing @github feature that would change PRs forever 🙏🙏
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@chrismaddern
Chris Maddern
6 days
Welcome home, Apes 🦍 🎉 Glad to have a partner in making the ecosystem more sustainable & rewarding for all 🫶
@CryptoGarga
Garga.eth (Greg Solano)
6 days
OpenSea wasn't the first or only NFT marketplace, but it was the one that had the foresight to provide royalties for creators, resulting in network effects that grew this space 1000x and attracting creators who'd grown sick of labels, studios, and web2 platforms. That foresight
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@chrismaddern
Chris Maddern
6 days
today I learned…
@karrisaarinen
Karri Saarinen
6 days
the best feature @linear ever created
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@chrismaddern
Chris Maddern
7 days
tfw your team buys cryptopunks & other incredible grails on a holiday and you didn't even know it was happening... 🫶
@opensea
OpenSea
7 days
Today’s additions to the rewards pool: 1x CryptoPunk 1x Hypurr 1x Fidenza 3x Bored Ape Yacht Club 3x Pudgy Penguins 3x Quine by Larva Labs 1x Chromie Squiggle 1x Ringers by Dmitri Cherniak 1x Gazers by Matt Kane + $750,000 $ETH Wave 1 ends in 48 hours. What will you find in
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@chrismaddern
Chris Maddern
8 days
an 𝕏 username marketplace would be 🔥 could even bring them onchain…
@BoredElonMusk
BORED
8 days
I honestly don’t care about creator fees on X. I’d rather they use the money to make the platform better, faster. These things have been lacking for a while: 1) X Spaces stability 2) Proper video search 3) User-controlled algorithm 4) Username marketplace 5) Creator advertising
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