Grantee Roundup: May 2021 | Ethereum Foundation Blog

It is always interesting to hear that new grants are awarded, but what happens after the announcement? In this series, we will check several projects that are in progress-or are already on the finish line. Read on to learn about some recent milestones and achievements of the grantees!


GSN (Gas Station Network) provides a decentralized infrastructure for dapp builders to reduce friction in their user experience by abstracting transaction costs. The repeater network sends a “collect call” to the payment master contract, which can implement any logic for the gas payment conditions. Dapp developers can choose to bear the gas cost themselves, allow users to pay for gas with credit cards or tokens other than ETH, or enable the cost of withdrawing ETH from hidden addresses. GSN v1 is live Since 2019But recently v2 version Many new features and improvements have been added, including:

  • New modular combination architecture Provide developers with more choices, which parts of the system they need to know or trust for their specific use cases
  • A more decentralized and censorship-resistant security model
  • Wallet UX improvements to make transaction signatures more transparent and safe
  • Customizable gas damage mitigation measures

Follow GSN on Twitter @opengsn Keep up with future progress, or learn more and contribute GitHub.

Two-dimensional homepage

The Quadratic Dollar homepage is inspired by Million Dollar Homepage, Sell display space by pixel. Instead of simply selling space, Two-dimensional homepage (QDH) allows users to use two experimental blockchain voting mechanisms to determine the relative proportion of images on the page:

  • Second vote Allow voters not only to indicate their preferences among a set of options, but also to indicate the strength of those preferences. On QDH, holders of MOON, BRICK, or POAP tokens can vote according to how many tokens they own and distribute them among the images on the page in any way they choose.
  • Minimal Anti-Collusion Infrastructure (MACI) Stop bribery by making it impossible to verify the user’s voting method. QDH does this by providing users with the “I was bribed” option when signing voting transactions. This will cause the transaction to be sent with an incorrect random number, thereby invalidating the vote. The user can then change their signing key to submit a second valid vote.

Grantee Raman Shalupau recently completed his funding work on QDH user interface, MACI smart contract and documentation.To learn more about how QDH works, please visit Demo a Video walkthroughs of the web interface and back-end components are provided. You can find Raman Shalupau on Twitter @ksaitor, Or contribute to Quadratic Dollar Homepage GitHub.

Are you doing something that you think can make Ethereum better?Go to our Grant page Learn more about what we are looking for in the projects we fund.

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