# Blockdevs.ASIA Tech Talks #7

## When
- Thursday, December 03rd 2020, 5pm-6pm

## Where
- Zoom: https://us02web.zoom.us/j/85160750323 ( Meeting ID: 851 6075 0323 )
- Facebook: https://www.facebook.com/blockdevsasia
- Telegram: https://t.me/joinchat/HUNPKUjiqOMkzqTqAb7bYQ
- Youtube: https://www.youtube.com/channel/UCwJOo5gHnjL-jKrW1-15yhg

## Topics
- Shop talk: With blockchain developer and Blockdevs regular Ricsson Ngo
- He is working on his own (solidity-based) DeFi project.
- Tools:
- Hardhat experiences of Chris: https://hardhat.org/
- Subgraph: https://thegraph.com/
- Solidity
- https://securityboulevard.com/2020/05/solidity-top-10-common-issues/
- Defi Tech: More on Flash Loans
- Overview: https://hacked.slowmist.io/en/
- Stories
- https://medium.com/originprotocol/urgent-ousd-has-hacked-and-there-has-been-a-loss-of-funds-7b8c4a7d534c
- Analysis: https://twitter.com/Tauras159/status/1327914150207447041
- Howto
- https://www.youtube.com/watch?v=wZGvejuhXEc
- https://medium.com/coinmonks/flashloan-101-a35132a2bbf8
- Remedy:
- https://blog.chain.link/flash-loans-and-the-importance-of-tamper-proof-oracles/
- https://api3.org/

- Who knows...
- Local block explorer

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