This document discusses competition and cooperation between Bitcoin and Ethereum blockchains, including the possibility of a decentralized exchange with escrow and side-chain implementations of different functionality. It also mentions prominent figures involved in sidechains and notes that sidechains still require mining and may lead to forks. Additionally, it indicates PayPal's CEO contacted Ethereum and summarizes regulatory views on Bitcoin from an Austrian hearing. Finally, it mentions the arrival of smart property from a hackathon.

1. Vienna, April 30th 2014

2. One Blockchain to rule them all?
source(s): […]
Tim Swanson, 2014
 Competition & Cooperation:
# BTC decentralized exchange with Escrow
# Side-chain implementation of Eth functionality
Alexander HIrner 1

3. Sidechains (flame war)
source(s): […] Alexander HIrner 2
Reality:
- still needs mining (be it merged  centralization ++)
- will see a bunch of forks (even w/o sidechains,
æthereum) – but also vice versa (Ethereum contracts)
- ‘Whip’ for Ethereum  generate network effects with
infrastructure & make commitments for Ethereum 2.0
(sharding, SNAKRS)

4. The Buzz & People
source(s): […] Alexander HIrner 3
 Austin Hill, sidechains, entrepreneur @austinhill
 Adam Back, sidechains, crypto mastermind @adam3us
 Johann Gevers, OT & monetas, VC @johanngevers
 Peter Todd, btc core dev (treechains) @petertoddbtc
 Tim Swanson, author & consultant @ofnumbers
 Mike Hearn, ex googler, btc core dev

5. Paypal CEO contacted Ethereum
source(s): […] Alexander HIrner 4

6. ÖNB and WKO Bitcoin Hearing
source(s): […] Alexander HIrner 5
 In Innsbruck, 22nd of April
 BTC status quo: aware
 Regulation: indifferent (non hostile)
 Future Prospects: confined to niche(s), ‘non currency’
.. recording and report by ‘Freefallr’ @ bitcointalk

7. Arrival of Smart Property!
source(s): […] Alexander HIrner 6
 Hackathon in Canada Bitcoin Expo, ‘Airlock’

8. Sources
 -) https://twitter.com/adam3us/status/454751516877160449
 -) aethereum https://bitcointalk.org/index.php?topic=563925.0
 -) http://bitcoinmagazine.com/12349/side-chains-challenges-potential/
 -) https://hackathon.bitcredits.io/#/vote
 -) https://bitcointalk.org/index.php?topic=535904.0
 -) https://bitcointalk.org/index.php?topic=580673.0
source(s): [] Alexander HIrner 7