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Felix Leupold Profile
Felix Leupold

@fleupold_

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Technical Lead @CoWSwap. Multi-dimensional Batch Auctions with Uniform Clearing Prices on Ethereum. Prev. @gnosisPM, @facebook, @google. @HPI_DE Alumnus.

Europe
Joined August 2012
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@fleupold_
Felix Leupold
8 days
It's to explain MEV protection in an intent based solver competition and the price advantages that not crossing the spread when settling a multi dimensional batch auction with uniform price clearing brings to the average crypto user in one word.
@gakonst
Georgios Konstantopoulos
8 days
bro why does cowswap moo and balancer ring a gong every time i swap you guys cant be serious.
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@fleupold_
Felix Leupold
2 months
Great work by the whole team - from research through development to making a smooth transition in production!. @CoWSwap just got the biggest mechanism upgrade since inception and is now faster and fairer for all.
@CoWSwap
CoW DAO
2 months
🧵 CoW Protocol just got a major upgrade. Say hello to Fair Combinatorial Batch Auctions (FCBAs) - the smartest, fastest, and fairest way to trade on-chain. It's not just an upgrade. It's a whole new standard for DEXs. Here's what you need to know: 👇
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@fleupold_
Felix Leupold
3 months
Probably the most ambitious project from @GnosisDAO yet. If money is just social coordination, why not use your actual social circle to create your own IOUs and use them as money. Will probably take some more time for people to get, but imo a very interesting experiment. .
@aboutcircles
Circles
3 months
Introducing Circles — an ambitious experiment on money. For the first time ever, you can create your own money without needing a bank or a government. 🧵
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@fleupold_
Felix Leupold
4 months
Paradigm preparing to become a solver….
@_Dave__White_
Dave White
4 months
paradigm puzzle #1. AAMM: the AAMM Automated Market Maker. problem statement in reply
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@fleupold_
Felix Leupold
6 months
RT @PropellerSwap: @CoWSwap voted in a $ 10k bounty to integrate CoW AMM into Tycho. We're forwarding 100% of it to a Tycho community boun….
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@fleupold_
Felix Leupold
8 months
RT @fiddyresearch: The collaboration begun deeeeep in the bear market with a simple idea: CowSwap’s auctions could be leveraged as a tool f….
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@fleupold_
Felix Leupold
8 months
RT @zealwallet: 🚢 Shippingday - v0.10.26 live on all 3 app stores!.Your wallet can now send bank transfers to anyone - even if they've neve….
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@fleupold_
Felix Leupold
9 months
I'm excited about this progress! 2 questions though:. 1. What is preventing the operator from looking at the block before sending it to the relay?.2. Once beaver runs in the TEE, will they have to open source their code? How do you prevent it from leaking (e.g. via simulations)?.
@SheaKetsdever
Shea Ketsdever
9 months
Introducing BuilderNet. BuilderNet is a decentralized block building network for Ethereum that runs on TEEs and shares MEV & gas fees with users. An early version of BuilderNet is live today — operated by Flashbots, Beaverbuild, and Nethermind.
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@fleupold_
Felix Leupold
10 months
In case you missed the keynote of @drakejustin1x that everyone on Bangkok is talking about: h/t the amazing tech/orga crew at @EFDevcon for getting it online in quasi real-time.
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@fleupold_
Felix Leupold
10 months
Somewhat scary that we are only one entity away before we can no longer call it “builders” at all the conference talks….
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@fleupold_
Felix Leupold
10 months
Good discussion between @ballsyalchemist and @xin__wan at “The Rumble in the dark Jungle”. Why does Unichain need validators if we can trust the TEE?
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@fleupold_
Felix Leupold
10 months
Aged well.
@koeppelmann
koeppelmann.eth 🦉💳
4 years
The year is 2140. MicroStrategy has eventually bought all 21m Bitcoins. And no one cares.
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@fleupold_
Felix Leupold
10 months
Silent threshold encryption sounds like a great way to remove trust assumptions between block builders & validators. Given this tech however, why not simply encrypt all txs in the first place and have validators commit to the highest paying ones before seeing their content?.
@_charlienoyes
Charlie
11 months
How to Remove the Relay?. MEV-Boost Relays are a source of centralization for Ethereum, but they provide valuable privacy and safety to builders and proposers. @gvamsip and I show how to use his novel "silent" threshold encryption scheme, combined with ZK or TEEs. (link below)
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@fleupold_
Felix Leupold
11 months
The true alpha of DeFi are LVR resistant AMMs which will open up a variety of self custodial and efficient portfolio strategies to average investors making todays already low ETF management fees look usury.
@AndreaCanidio
Andrea Canidio
11 months
🚨New short research piece!🚨I wanted to show that "solving" LVR implies "solving" impermanent loss (in expectation). I ended up discussing Portfolio Theory and the end game of AMM design: the marriage of retail investors and liquidity providers. 1/2.
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@fleupold_
Felix Leupold
11 months
In the example above the total price improvement given to traders was about $600 or (>0.6%). 🐮.
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@fleupold_
Felix Leupold
11 months
The solution works at the app layer. Since CoW orders are cleared in a single Ethereum tx which itself doesn’t discriminate based on ordering (all trades clear at the same price), traders can escape the MEV maximising incentives of PBS by choosing their DEX wisely.
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@fleupold_
Felix Leupold
11 months
Instead of having a searcher match buys and sells in the same block at their individual limit prices and collect the spread (aka slippage tolerance), CoW solvers clear buys and sells at a single price (near mid) and pass on price improvement (aka surplus) to the traders.
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@fleupold_
Felix Leupold
11 months
Traditional PBS incentivises builders to create blocks where the difference at which the same asset trades is as large as possible so that searchers can buy low and sell high (maximising MEV & bribes). CoW Protocol minimises MEV by enforcing a single price per token per batch.
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@fleupold_
Felix Leupold
11 months
Saw some really nice CoWs during the $EIGEN launch today (e.g. . Especially in the early hours of a token, when demand is high & price discovery still in progress, it makes a lot of sense to use a mechanism that enforces a single price per token per block.
Tweet card summary image
explorer.cow.fi
CoW Explorer is a blockchain explorer for the CoW Protocol.
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@fleupold_
Felix Leupold
1 year
RT @defi_naly: It looks like users want to have their LP accurately rebalanced without leaking value and getting rekt by MEV. Over $13 mi….
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