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1  Economy / Digital goods / Selling a $55 Bitmain coupon on: November 25, 2018, 10:36:57 PM
selling a $55 Bitmain coupon.
Price $10. Expires in 5 days.
Payment with any cryptocurrency.
PM for details
2  Local / Αγορά / Πωλείται χρόνος ομιλίας WhatsUp Cosmote με bonus on: October 17, 2018, 04:52:36 PM
Πωλείται χρόνος ομιλίας Cosmote Whatsup λόγω σημαντικού αρνητικού υπολοίπου στο λογαριασμό.

Η μεταφορά θα γίνει μέσω της υπηρεσίας Cosmote Mobile Easy Transfer. Όροι χρήσης παρακάτω

Τα ποσό που θα μεταφερθεί πρέπει να είναι πολλαπλάσιο των 30. Για κάθε 30 δίνεται 6 bonus δώρο.
Πληρωμή με BTC ή ETH στην τρέχουσα ισοτιμία bitfinex.

ΡΜ για λεπτομέρειες.
3  Local / Αγορά / Πωλείται Bitmain κουπόνι on: September 20, 2018, 05:41:18 PM
Κουπόνι Bitmain $55, ημ. λήξης 30 Νοεμβρίου. Πωλείται 20.
Πληρωμή με οποιοδήποτε κρυπτονόμισμα. Όποιος ενδιαφέρεται ΡΜ
4  Bitcoin / Development & Technical Discussion / Data history for mined blocks on: September 07, 2018, 02:46:10 AM
I am looking for historic data for mining pools to perform a study.
e.g. for Antpool, how many blocks it mined in January 2018, and for each block what was the Bitcoin network hashrate and what was the pool's hashrate.
I would also like to export them in readable format e.g. JSON.
I only found this in
which the data is not exportable (you have to click the button on the bottom a million times) only has history for 4 days..
Any suggestions?

(P.S. To moderators: Please do not delete my post again for no reason. If I'm posting on the wrong section please let me know which forum section would be applicable and move it there.)
5  Local / Ελληνικά (Greek) / Cryptocurrency και blockchain technology συνέδριο στην Αθήνα on: August 22, 2018, 05:41:06 PM
Για όσους ενδιαφέρονται, είναι να γίνει συνέδριο το Νοέμβριο στην Αθήνα (Divani Caravel) σχετικά με cryptocurrencies και blockchain technologies:
Διοργανωτής είναι το Πανεπιστήμιο της Λευκωσίας.
6  Economy / Invites & Accounts / World of Warcraft vanilla private server account on: August 19, 2018, 05:49:24 PM
For sale is my vanilla WoW private server account. Included in the account: a lvl60 8/8 T3 mage, a lvl60 T2 paladin and 20k gold.
Price for the whole account 0.0063BTC, or the equivalent in any other cryptocurrency.
Send a message for more information.
7  Local / Αγορά / Motherboard Asrock H81 Pro BTC R2.0 on: July 23, 2018, 12:58:04 PM
Πωλείται η motherboard Asrock Socket 1150 H81 Pro BTC R2.0 GLan Audio. Αγορασμένη τον 5/2017 με απόδειξη αγοράς από Ελληνικό κατάστημα. Σε άριστη κατάσταση στο κουτί της. Όχι ανταλλαγές - παζάρια. Περιοχή Αθήνα Ν. Προάστια. Τιμή 50. Αποστέλλω και οπουδήποτε στην Ελλάδα κατόπιν συννενόησης.
8  Bitcoin / Bitcoin Technical Support / Time locked transactions on: May 30, 2018, 05:01:50 PM
I'm looking for information on time-locked transactions for bitcoin. How is this transaction created exactly? Does this transaction remain off-chain between the sender and the receiver until the time has elapsed? Does this transaction remain on the mempool until that time?
9  Economy / Digital goods / Selling 5x $100 Bitmain coupons on: May 24, 2018, 06:37:14 PM
selling 5x  $100 Bitmain coupons.
Price $20 each. $80 for all.
Special price $10 for 1x coupon expiring tomorrow.
Payment with any cryptocurrency.
PM for details
10  Local / Αγορά / Πωλούνται κουπόνια Bitmain on: April 17, 2018, 12:21:44 AM
Πωλούνται τα κάτωθι κουπόνια Bitmain:
2x $100, 25 το καθένα
1x $350, 90.
Όλα μαζί 120.
Πληρωμή μέσω Πειραιώς λεφτά στο λεπτό ή με BTC, BCH, ETH, LTC.
PM για λεπτομέρειες.
11  Economy / Digital goods / WTS $100 Bitmain coupon on: March 22, 2018, 03:55:42 PM
Selling a $100 Bitmain coupon for half of its face value.
Accepting BTC, BCH, ETH or LTC.
PM for details
12  Local / Αγορά / Κουπόνι Bitmain $100 on: March 22, 2018, 03:54:31 PM
Πωλείται κουπόνι Bitmain $100 στη μισή τιμή της αξίας του.
Πληρωμή μέσω Πειραιώς λεφτά στο λεπτό ή με BTC, BCH, ETH, LTC.
PM για λεπτομέρειες.
13  Local / Αγορά / Πωλείται Antminer L3+ με PSU on: March 10, 2018, 03:58:37 PM
Πωλείται λόγω μετακόμισης το Antminer L3 504mh/s στο χέρι καινούριο. Μαζί και το τροφοδοτικό Bitmain APW3++.
Με εγγύηση από την Bitmain έως το Σεπτέμβριο.
Δέχομαι και cryptocurrencies.
Όχι ανταλλαγές.
Περιοχή Αθήνα Ν. Προάστια.
Στέλνω σε όλη την Ελλάδα κατόπιν συννενόησης.
14  Economy / Digital goods / WTS $500 Bitmain coupon on: December 20, 2017, 02:46:00 PM
Selling a $500 Bitmain coupon for $390. Payment only in cryptocurrency (BTC, BCH, ETH) .
PM if interested.
15  Local / Αγορά / Πωλείται κουπόνι Bitmain on: December 20, 2017, 02:21:52 PM
Πωλείται κουπόνι Bitmain αξίας $500. (λήγει 2018-06-30)
Τιμή 330.
Πληρωμή με λεφτά στο λεπτό της Πειραιώς ή με οποιοδήποτε cryptocurrency.
16  Bitcoin / Electrum / Can we cancel an unconfirmed transaction? on: December 09, 2017, 04:57:34 PM
anyone knows if it its possible to cancel an unconfirmed transaction using electrum that has replace by fee enabled?
17  Local / Αγορά / Πωλούνται BTC on: October 15, 2017, 06:28:32 PM
πωλούνται BTC, ισοτιμία kraken + 1%.
Πληρωμή με λεφτά στο λεπτό της Πειραιώς.
Όποιος ενδιαφέρεται ΡΜ
18  Bitcoin / Development & Technical Discussion / So how much privacy do we really need? on: October 07, 2017, 04:27:47 AM
We all know that Bitcoin transactions are not anonymous but pseudo-anonymous, resulting in many problems like tainted coins etc.
Some cryptocurrencies offer significant more privacy (Monero, Zcash etc) but at a cost.
However my question is more fundamental: How 'much' privacy do we really need for a widely-adopted cryptocurrency?
I believe Bitcoin as-is won't get adopted for everyday transactions. Nobody would want showing his buying habits to the whole world (imagine how many ads and flyers you would get).
On the other hand, I don't believe cryptocurrencies that offer too much privacy will get adopted either, since they will be used for criminal activities and eventually get banned.
My feeling is that we want a currency that offers privacy to some extent, without revealing our transaction to the world but still be possible for law-enforcement to track illegal activities.
What do you think?
19  Bitcoin / Electrum / Electrum unmatured balance on: July 21, 2017, 03:12:59 PM
Hello, I moved my bitcoin account to electrum and part of my balance shows "unmatured".. The total balance shows perfectly fine on
What's going on?
20  Bitcoin / Electrum / Electrum best security and usability on: July 16, 2017, 05:44:55 PM
Hello, I'm a new Electrum user, coming from Multibit classic.
What I did in Multibit classic as an extra layer of security was backing up the whole AppData\Roaming\Multibit folder into an encrypted .zip file (and deleting the original files afterwards)
I know that cold storage is the most secure option but it takes a lot of time to do all the steps required for sending coins, not to mention that I need an extra offline computer for this purpose.
Would a similar encrypted backup of AppData\Roaming\Electrum work?
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