---
# System prepended metadata

title: 'Blockdevs.ASIA Tech Talks #4'

---

# Blockdevs.ASIA Tech Talks #4

## Where
- Zoom: https://us02web.zoom.us/j/85160750323 ( Meeting ID: 851 6075 0323 )
- Telegram: https://t.me/joinchat/HUNPKUjiqOMkzqTqAb7bYQ

## Topics
- News: The chairman of the House Committee on Ways and Means on Monday filed House Bill (HB) 7864, or the Blockchain Technology Development Act.
    - https://businessmirror.com.ph/2020/10/12/blockchain-tech-to-make-phl-asias-fintech-center/
    - http://congress.gov.ph/legisdocs/basic_18/HB07864.pdf
- Technical: 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/
- Paypal now supports crypto: 
    - https://www.reuters.com/article/paypal-cryptocurrency/update-1-paypal-to-open-up-network-to-cryptocurrencies-idUSL1N2HC0PL
    - Hackernews comments: https://news.ycombinator.com/item?id=24846905
    - https://www.paypal.com/us/smarthelp/article/cryptocurrency-on-paypal-faq-faq4398 
- Discussion: Privacy features in Blockchain
    - https://www.theblockcrypto.com/genesis/80083/exploring-bitcoins-privacy-infrastructure-2
    - https://medium.com/@exantech/how-do-they-do-it-crypto-anonymization-technologies-overview-46293108f1d8
- Discussion: About NFT's
    - Rarible
    - RocketNFT
    - Chris has some artwork as NFT !?
    - Discussion: How to determine the market value of a (unique) NFT?
- News: Banks joining the fun for real with R3
    - https://www.coindesk.com/r3-corda-network-xdc-token-cordite-society

## Additional Links and notes
- (added during meetup)