1/ ETH Denver gets better every year. Here's a summary of my takeaways and project highlights.
Key themes this year:
- Leverage & derivatives
- BTC on ETH
- Bonding curves
- Public goods funding
- Security
2/ 1x.ag - Leveraged positions on ERC20 tokens
Uses Compound, Aave, MakerDAO, and bZx as lending providers, Aave flash loans for leverage, 1split.eth as the on-chain dex aggregator, and ChainLink oracles for price verification.
#moneylegos
3/ UpSideDai - 20x leveraged DAI
Leveraged contract for difference that creates UpDai and DownDai tokens, each 100% collateralized, representing long and short positions on Dai.
Uses Maker & Uniswap for ETH/DAI price and Uniswap pools for liquidity.
upsidedai.com
4/ ohmyDefi - Options on ERC20 tokens
Create and sell puts or calls on any [ERC20] asset, strike, and maturity.
Positions are created by locking the strike asset and minting an options token (1:1) for a given long/short pair.
ohmydefi.netlify.com
5/ MakerDAO BTC vault - BTC-backed DAI loans
Uses zBTC, a bitcoin-backed ERC20 token, as collateral to mint DAI.
Users send BTC to a wallet that's under the custody of RenVM, RenVM mints zBTC ERC20 that's redeemable 1:1.
makerdao-btc-vault.herokuapp.com
6/ Bitcoin Earn - Earn interest by lending BTC
Send BTC to deposit account, mint tBTC, a bitcoin-backed ERC20 token, and deposit tBTC into a Compound or Uniswap pool.
7/ ShopiFi - DeFi E-commerce plugin
Users can deposit funds into a DeFi protocol via a credit card or Apple/Google Pay.
Merchants can choose to divert a portion of sales into interesting bearing protocols like Compound, Chai, and PoolTogether.
general-shills.webflow.io
8/ Outfront - address monitoring/protection
Monitors mempool for unauthorized transfers from wallets and sends a competing transaction at a higher gas price to divert funds into a rescue wallet. Uses a signed EIP712 permission token to execute recovery.
github.com/justinschuldt/…
9/ Safenet - SIM swap prevention
Hashed phone information can be queried from a public blockchain to signal SIM changes or suspicious activity.
Built using Arbitrum rollups from @OffchainLabs
github.com/BUIDLHub/simpr…
10/ Bound - Invest in artists
Patreon built on an out-of-the-box tokenized bonding curve. Fans purchase an artist's token and gain access to exclusive content. Artists take a fee on every token purchase/sale.
devfolio.co/submissions/bo…
11/ Coz - Social network DAO for solving problems
Users post ideas to crowdsource solutions and donate directly to the best solutions. Anyone can earn rewards for contributing to solutions.
Donated DAI gets locked in DSR and interest goes to nonprofit.
coz-ca394c.webflow.io
12/ Flowerpot - Free and open source GitHub Sponsors
Links ETH wallets to GitHub Orgs for an easier and more open way to sustain projects and maintainers.
flowerpot.network
13/ MetaCredits - Donate gas for meta transactions
A benefactor can deploy a MetaCredit DappFunder smart contract for a dapp, deposits funds in the contract, and grants the developer permission to use funds to pay for his and his user’s gas fees.
github.com/rapid-eth/ethd…
14/ There were many more excellent projects. Here's a full list of submissions:
Open track: alchemy-xdai.daostack.io/dao/0xe248a76a…
Impact track: alchemy-xdai.daostack.io/dao/0xe248a76a…
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