36 What are checkpoints? 2011-10-29T19:41:14.630

20 Is it possible to cancel an unconfirmed transaction? 2012-08-21T19:00:17.543

18 Can a bitcoin transaction be reversed from the receiving end? 2011-09-08T08:49:42.500

16 Can a bitcoin transaction be reversed? 2011-08-31T01:08:44.637

12 How long does it take on average to receive one confirmation? Is it still reversible? 2013-01-27T23:10:40.477

11 What can be done to mitigate the risk of a Finney-attack? 2011-09-21T16:59:28.340

11 Double spend attack by sending higher fee transaction directly to the pools possible? 2012-03-29T08:14:15.450

10 Bitcoin automatically diverted to bech32 address 2019-02-19T09:01:00.203

4 How does the network determine whether to replace a transaction? 2011-12-29T13:17:50.400

4 How can a Bitcoin consumer and a Bitcoin seller mediate disputes? 2013-10-17T16:27:46.687

4 Why can bitcoins never be refunded unless the receiver agrees to send back the money? 2017-02-17T01:02:35.183

3 Is there a standard procedure for refunding Bitcoin transactions? 2014-01-28T15:18:32.827

3 How many transaction and btc have been cancelled? 2014-12-25T22:05:00.183

2 I've sent a small low priority transaction with insufficient fee with blockchain.info wallet, what will happen next? 2013-05-08T15:05:04.430

1 I have sent a person some bitcoin. He never sent me the goods. How can I get my funds back? 2015-10-28T18:27:44.973

1 Refund a transaction send twice 2016-06-30T04:55:57.053

1 How do I get my bitcoins back if they got sent to an incorrect address? 2016-08-02T20:11:47.837

1 Are sellers more vulnerable to fraud than buyers when doing business? 2018-11-12T20:41:20.080

0 Bitcoin-qt to input.io no confirmations 2013-08-04T17:49:12.403

0 I want to block my transaction 2016-07-22T19:14:07.680

0 Unconfirmed Transaction, what can I do? 2017-01-06T04:16:08.303

0 How long does it take for an unconfirmed transaction to reverse? 2017-12-16T16:44:45.300

0 Is it possible to reverse a confirmed transaction? 2018-06-29T07:47:01.830

0 How can I reverse a Bitcoin transaction mistakenly sent to the wrong address? 2019-06-05T08:11:29.147

-1 can I recover the change of a TX? 2017-07-06T15:54:46.670