# Account Abstraction Tech Weekly 8 - Apr16

By [skyhighfeng.eth](https://paragraph.com/@skyhighfeng) · 2023-04-17

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Infrastructure
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### 1\. The Paymaster Node Extensions from @pimlicoHQ come in threes! -- Tenderly

[https://twitter.com/TenderlyApp/status/1646547801935949826](https://twitter.com/TenderlyApp/status/1646547801935949826)

### 2\. Biconomy AA SDK is live on mainnet on Ethereum, Polygon

[https://twitter.com/biconomy/status/1646498562807660544?s=20](https://twitter.com/biconomy/status/1646498562807660544?s=20)

Dapp
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### 1\. BloctoApp

[https://twitter.com/BloctoApp/status/1647065515909877760](https://twitter.com/BloctoApp/status/1647065515909877760)

### 2\. Relative

Building cross-sector dApps for derivatives and skill-based wagering across SocialFi, DeFi, and GameFi.

[https://twitter.com/relativefi/status/1646822669030166528](https://twitter.com/relativefi/status/1646822669030166528)

### 3\. Revoke Safe Module

delegate your hot wallet or a 3rd party to revoke permissions on your behalf

[https://twitter.com/emilianobonassi/status/1645361260794347520](https://twitter.com/emilianobonassi/status/1645361260794347520)

[https://github.com/emilianobonassi/revoke-safe-module](https://github.com/emilianobonassi/revoke-safe-module)

### 4\. Incentivized p2p mempool - CASTY

[https://twitter.com/p2p\_casty](https://twitter.com/p2p_casty)

### 5\. PassKey

[https://passkeys.is/](https://passkeys.is/)

Research
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### 1\. EntryPoint 0.6.0 Released

[https://mirror.xyz/erc4337official.eth/cSdZl9X-Hce71l\_FzjVKQ5eN398ial7QmkDExmIIOQk](https://mirror.xyz/erc4337official.eth/cSdZl9X-Hce71l_FzjVKQ5eN398ial7QmkDExmIIOQk)

### 2\. A new ERC-4337 Entry Point was just released.

Here are the three main changes: 1/ User Operation hashes now cannot be manipulated by the caller. 2/ Nonces are now incremented by the Entry Point, and are two dimensional. 3/ Recursive calls to the Entry Point are no longer allowed.

[https://twitter.com/johnrising\_/status/1645409580653088773](https://twitter.com/johnrising_/status/1645409580653088773)

### 3\. Mainnet Shapella Announcement

[https://blog.ethereum.org/2023/03/28/shapella-mainnet-announcement](https://blog.ethereum.org/2023/03/28/shapella-mainnet-announcement)

### 4\. Wallet Directory

[https://www.notion.so/Wallet-Directory-7539839d81ff401cb5b84a18b5e562d7](https://www.notion.so/Wallet-Directory-7539839d81ff401cb5b84a18b5e562d7)

### 5\. Unpacking ERC-4337

[https://frontier.tech/unpacking-erc-4337](https://frontier.tech/unpacking-erc-4337)

Hackathon & Events
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### 1\. Biconomy’s Pioneers of AA

[https://twitter.com/biconomy/status/1646499267899539458](https://twitter.com/biconomy/status/1646499267899539458)

### 2\. 4337Mafia's Newsletter Subscribe

[https://twitter.com/Joethebeast1221/status/1646306958360854528](https://twitter.com/Joethebeast1221/status/1646306958360854528)

[https://mirror.xyz/0xE5F6AE8F88Fc6eaaE5f2A059A216bE150C0584b0](https://mirror.xyz/0xE5F6AE8F88Fc6eaaE5f2A059A216bE150C0584b0)

### 3\. Antalpha Hackerhouse in Montenegro

[https://labs.antalpha.com/hackerhouse/montenegro](https://labs.antalpha.com/hackerhouse/montenegro)

    Contact:
    Wechat: skyhigh22
    Twitter: @skyh20
    Email: skyhighfeng@gmail.com
    ENS: skyhighfeng.eth
    GitHub: https://github.com/accountjs/aa-research
    

If missed plz contact [skyhighfeng@gmail.com](mailto:skyhighfeng@gmail.com)

Join our group to post news: [https://t.me/+Hpm2SIXGpz5hNWY1](https://t.me/+Hpm2SIXGpz5hNWY1)

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*Originally published on [skyhighfeng.eth](https://paragraph.com/@skyhighfeng/account-abstraction-tech-weekly-8-apr16)*