* [Bitcoin-development] DevCore London
@ 2015-04-09 20:23 Mike Hearn
2015-06-02 14:20 ` Mike Hearn
0 siblings, 1 reply; 2+ messages in thread
From: Mike Hearn @ 2015-04-09 20:23 UTC (permalink / raw)
To: Bitcoin Dev
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Next week on April 15th Gavin, Wladimir, Corey and myself will be at
DevCore London:
https://everyeventgives.com/event/devcore-london
If you're in town why not come along?
It's often the case that conferences can be just talking shops, without
much meat for real developers. So in the afternoon I'll be doing two things:
1. Running a hackathon/workshop type event. The theme is contracts, but
we can hack on whatever you all feel like.
2. My "talk" will actually be a live coding event. Writing contracts
apps has become a lot easier in the past few years, and to prove it to you
I will write a decentralised cross-platform Tor supporting document
timestamping app that uses OP_RETURN outputs and has a nice GUI ..... in 30
minutes, on stage.
Don't think it can be done? Turn up and see for yourself.
See you there!
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* Re: [Bitcoin-development] DevCore London
2015-04-09 20:23 [Bitcoin-development] DevCore London Mike Hearn
@ 2015-06-02 14:20 ` Mike Hearn
0 siblings, 0 replies; 2+ messages in thread
From: Mike Hearn @ 2015-06-02 14:20 UTC (permalink / raw)
To: Bitcoin Dev
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Hi there,
I got some requests to re-record the tutorial talk I gave at DevCore 2015,
"How to build a timestamping smart contracts app in 30 minutes". It's now
available here:
https://bitcoinj.github.io/document-timestamp-app
It covers:
- How to customise the wallet-template app for this use case
- How to construct a complex multi-stage SPV proof of block chain
inclusion
- How to save and then verify proof files
- How to bind transaction confidence state to the user interface
- How to create a Mac DMG bundle with a custom icon
I hope someone finds it enjoyable!
On Thu, Apr 9, 2015 at 10:23 PM, Mike Hearn <mike@plan99•net> wrote:
> Next week on April 15th Gavin, Wladimir, Corey and myself will be at
> DevCore London:
>
> https://everyeventgives.com/event/devcore-london
>
> If you're in town why not come along?
>
> It's often the case that conferences can be just talking shops, without
> much meat for real developers. So in the afternoon I'll be doing two things:
>
> 1. Running a hackathon/workshop type event. The theme is contracts,
> but we can hack on whatever you all feel like.
>
> 2. My "talk" will actually be a live coding event. Writing contracts
> apps has become a lot easier in the past few years, and to prove it to you
> I will write a decentralised cross-platform Tor supporting document
> timestamping app that uses OP_RETURN outputs and has a nice GUI ..... in 30
> minutes, on stage.
>
> Don't think it can be done? Turn up and see for yourself.
>
> See you there!
>
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