---
# System prepended metadata

title: 'Blockdevs.ASIA Tech Talks #3'

---

# Blockdevs.ASIA Tech Talks #3

## Where
- Zoom: https://us02web.zoom.us/j/4959622988?pwd=zuZqEZbzng93HdQnNJOEFa3FXMeh26jiWQ#success
- Telegram: https://t.me/joinchat/HUNPKUjiqOMkzqTqAb7bYQ

## Topics
- People used Eminence (Cronje's latest crowdQA) and got robbed. 
    - https://www.coindesk.com/eminence-exploit-defi-compensated
    - [twitter thread](https://twitter.com/AndreCronjeTech/status/1310763509521805312)

    
- Unlimited allowance!?
    - https://decrypt.co/43927/ethereum-user-scammed-for-140000-in-uniswap-uni-tokens
    - Watch your Metamask when approving a transaction
    - [Understand the principle of the "Approve" in ERC20](https://medium.com/ethex-market/erc20-approve-allow-explained-88d6de921ce9)
    - Revoke unnecessary approvals: https://revoke.cash/
- How vulnerable is DeFi to regulatory blocks?
    - Webapps running on "normal" webservers can be shut down
    - Webapps served on decentralized hosting such as Swarm or IPFS stay up
    - Or, you can (learn to) write to a contract directly!
        - https://justsmartcontracts.dev/
        - https://etherscan.io/token/0x5d3a536E4D6DbD6114cc1Ead35777bAB948E3643#writeContract


# Materials
- Bonding curve: https://medium.com/linum-labs/intro-to-bonding-curves-and-shapes-bf326bc4e11a
- Blockchain and the law
    - https://harvardpress.typepad.com/hup_publicity/2018/04/blockchain-and-the-law.html 
    - https://www.hup.harvard.edu/catalog.php?isbn=9780674241596 
    - https://medium.com/@hup/the-rule-of-code-vs-the-rule-of-law-8dfe75631fee 