Dave Blumenfeld (serdave-eth)

Dave Blumenfeld

Building privacy preserving tools and infra at https://www.keypo.io/. Founder of DaveDAO. Very interested in blockchains, TEEs, and secrets sharing.

503 Followers

Recent casts

I’ve never found a solution for managing my seed phrases that didn’t keep me up at night Write it down, Multisigs, Password managers: they all have major flaws. So I decided to build a product for me and all my weird internet friends. Introducing: Keypo

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I gave Claude a wallet. It can do anything on-chain, but it can't steal my keys. They're in MY Mac's Secure Enclave. Not the cloud. Introducing the Keypo Wallet CLI: your Mac as a programmable hardware wallet for AI agents. Open source. https://github.com/keypo-us/keypo-wallet

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Just an observation: the Kalshi ads with Terrell Owens look a lot like the FTX ads with Larry David (in terms of vibe)

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Top casts

If you want the best summary of crypto news delivered to your inbox every week, subscribe to Crypto Weekly, authored by myself and @maaria: https://thisweekincrypto.substack.com/ But since I have your attention...here are the 5 biggest news stories last week 👇 👇 👇

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It’s Sunday which means it’s Crypto weekly 🧵 time with me and @maaria: A lot of market news this week.... BTC down 11%, ETH down 6% and altcoins down 20%+. Stablecoin deposits grew slightly, and BTC now makes up over 60% of the total crypto market (for the first time since 2020). Here were my favorite stories: - BTC fell despite the announcement of a strategic BTC reserve, which will initially be made up of seized criminal and civil crypto assets, meaning the US will not be a net buyer of BTC assets as some speculated. Fun fact: the US government is the 4th largest holder of Bitcoin behind Strategy (formerly Microstrategy), Binance and of course…Satoshi. - ETH revenue dropped by 93% over the past year and its share of blockchain revenue has fallen from 55% in Feb 2024 to 24% this past Feb. A result of this revenue drop is ETH turning inflationary again over the past year (albeit a small amount: 0.41% since Apr 2024).

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Introducing Crypto Daily: an amuse bouche of crypto weekly. 1 story/day. Today's story: -According to on-chain data, President Donald Trump's DeFi project World Liberty Financial deployed smart contracts for it's stablecoin $USD1 on Ethereum mainnet and BNB Chain. The stablecoin isn't currently available to trade. Source: https://decrypt.co/311362/trump-world-liberty-financial-stablecoin-ethereum-bnb

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It’s Sunday which means it’s Crypto weekly 🧵 time with me and @maaria: Crypto saw a modest rebound this week, following a broader market rally sparked by the Federal Reserve’s decision to keep interest rates unchanged. The total crypto market cap, along with BTC and ETH, rose by 3%, 2%, and 6% respectively week over week. Here are my favorite stories: -The US Treasury Department removed sanctions on cryptocurrency mixer Tornado Cash that were imposed in 2022. -The total market cap for stablecoins reached over $230 billion, up 56% from the same time last year. USDT and USDC make up almost 90% of the stablecoin market. -Speaking of USDT, Tether is engaging with a "Big Four" accounting firm to audit its reserves. Tether has gotten its fair share of criticism over the years over the transparency of it's reserves.

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Onchain profile

Ethereum addresses