Bitcoin Takeover Podcast
BTC Takeover
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S17 E50
Daira-Emma Hopwood on Zcash at 10, Halo, ZSAs and the Fight Over Grants
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00:00 Intro
00:45 Welcome: Zcash's 10th anniversary in Mexico
01:34 Where Daira was during the 2016 ceremony
02:31 The Sprout counterfeiting bug and where it came from
03:29 Halo: getting rid of the trusted setup
04:31 Zooko, Sean Bowe, Daira: dropouts or not?
05:32 Hands-on with the destroyed ceremony laptop
07:57 Designing the ceremony with little Bitcoin experience
10:35 What's good and bad about Bitcoin Core's codebase
12:15 From C++ to Rust: how different is Zcash today?
14:35 Block time, issuance and propagating big zk-SNARKs
16:56 Sponsors: Cake Wallet, SideShift, Orange Rock
18:24 What Daira would change in Zcash before launch
21:15 Crosslink: hybrid proof of work and proof of stake
25:33 Mining centralization: Foundry, China, hostile governments
27:06 Sponsors: eCash, Braiins Hashpower
29:00 Why Daira stayed with Zcash for 10 years
32:42 Projects built on Zcash cryptography
36:38 Removing the transparent side: private by default?
39:22 ECC dissolves, ZODL is born
45:11 Dandelion++, Tor and network-level privacy
47:57 VPNs, censorship and Iran
49:30 Hardware wallet hacks and self-custody setups
54:21 Slush, Trezor and Zooko
55:11 Any regrets about money?
55:35 The ZCG controversy and sex workers
1:05:27 Dealing with online harassment
1:09:37 Ironwood and Hopwood: who picked the name?
1:10:57 Zcash Shielded Assets (ZSAs): worth it?
1:23:20 Will Bitcoin ever adopt Zcash-style privacy?
1:25:17 Move fast and break things?
1:27:44 Why Zcash keeps its cypherpunk developers
1:30:50 Zcash 10 years from now
1:32:43 Daira's inventions and inspiration in cryptography
1:39:42 What gets Daira out of bed
1:41:31 AI, podcasts and training data
1:46:47 AI and the Orchard vulnerability
1:55:11 Head of Research and Assurance at ZODL
1:57:15 AI vs. training apprentices
1:59:35 Music, books and Zcash upgrade names
2:01:08 Amber, the Zcash color
2:01:58 Anything we missed?
2:03:48 Thank you and goodbye
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