Connext EthForAll Winners

EthForAll, the hackathon organized by DevFolio and EthIndia, is wrapping up and it’s time to declare 3 amazing teams as winners of our bounties

Massimo Lomuscio
Connext
3 min readMar 2, 2023

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Category: Best xApp

The most innovative or useful crosschain app built on Connext (read: why do we need xApps?) with $1000 awarded to each project:

xStream: a crosschain streaming solution

With xStream, you can continuously stream tokens to any EVM chain from the chain you have your treasury on.

Here’s a few things xStream enables:

  • Anyone cansend a stream to a recipient address on a chain they don’t have liquidity on without the need to bridge tokens to that chain
  • Protocols and DAOs can compensate contributors on the contributor’s chain of preference without building a separate treasury on each chain
  • Yield protocols can now distribute USDC rewards every second to users’ chain of preference agnostic to the chain protocols hold their securities in
  • Creators and merchants in web3 can create subscription strategies based on a unit of time and accept payment streams from any EVM chain.

Bridge Together: Pool your funds and save on gas fees while bridging.

Bridge Together allows users to bundle up their bridge transactions with other users to minimize gas fees paid per individual. They achieve this by making users sign off-chain signatures and, when a certain threshold is reached, the keeper bots aggregate the signatures into a single bridge operation.

Category: upgrade an existing protocol to xChain (prize: $1000)

XStream, as this is an implementation of the integration designed with Superfluid, and we are amazed by the ability of the xStream team to implement it into an actual protocol.

Category: nested xcalls (prize: $250):

MantleFund, aiming to solve the problem of traditional crowdfunding applications by providing more accessibility, security, and transparency

Extra Honorable Mentions (prize: $250 each):

Parichay: zk-IDs for Everyone, on ANY Chain

Bob — The Yielder: Cross Chain Yield Aggregator Defi protocol through which user can deposit their underlying asset from the source chain to the destination chain via a single transaction.

That’s all! Congrats to these talented teams — We are keen to see how these projects will evolve in the future.

If you missed the opportunity to build at EthForAll, here’s a new chance with the online Scaling Ethereum hackathon:

About Connext

Connext is a network for fast, trustless communication between chains and rollups. It is the only interoperability system of its type that does this cheaply and quickly without introducing any new trust assumptions. Connext is aimed at developers looking to build secure bridges and other natively cross-chain applications. To date, over $1.5b in transactions have securely crossed the network.

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