Going to Greece, any ideas on how/where to use Bitcoin?

So I'm headed to Thessaloniki on a business/academia/personal trip. I already payed for my congress registration using Bitwala (great service so far, let's see how the congress admins react to a receipt that says 'Bitcoin'). I've read about Bitchain's ATMs and some restaurants taking BTC, but do not know if this is just crypto news overhyping reality, or plain true.tl;dr: I'm wondering if anyone that has recently been, or has used BTC in Greece can give me some advice. via /r/Bitcoin http://bit.ly/2c4Wfoy

Public blockchains gaining acceptance at Bank of Japan’s Payment and Settlement Forum

http://bit.ly/2c4WOyK via /r/Bitcoin http://bit.ly/2bMNHEE

An update on Thunder: On-Chain-Settlement

http://bit.ly/2c0lLwc

Submitted August 30, 2016 at 01:11AM by Matthew-Davey http://bit.ly/2c9thXt

And all this time I thought Satoshi Invented Bitcoin

https://twitter.com/inthepixels/status/769950701103505412

Submitted August 29, 2016 at 04:35AM by Bidofthis http://bit.ly/2bMFVfG

Mentor Monday, August 29, 2016: Ask all your bitcoin questions!

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Submitted August 29, 2016 at 06:00PM by BashCoBot http://bit.ly/2bw5WiP

TumbleBit, Chaumian eCash for Bitcoin using off-chain unlinkable payment channels

http://bit.ly/2bx5w6Y via /r/Bitcoin http://bit.ly/2bwZdW7

Bitsquare v0.4.9.5 - P2P Exchange - Added cash deposit, USP money order, clearXchange and so much more

http://bit.ly/2c0mc9z via /r/Bitcoin http://bit.ly/2c9tslL