Recently bitcoin fees have been rather high, 0.0015BTC or higher. That's more than $20. And if you pay less, then your transaction can get stuck and stay unconfirmed for hours or days.
ESPECIALLY if you do that transaction from a crypto exchange, where they don't let you to choose the transaction fee. Some of them have transaction fees 0.0008BTC or less, which results in a great deal of delay.
What's even worse, some smaller crypto exchanges, like Yobit.io charge you a small transaction fee, and then KEEP THE FEE and put your transaction on the blockchain with NO FEES attached at all. And that can keep it unconfirmed FOR SEVERAL DAYS. And that's no fun when you have a significant amount of bitcoin stuck in cyberspace for days, without knowing when it'll get confirmed.
If that happens to you, there are several services that can UNSTUCK IT, by accelerating the confirmation. Here are two of those:
One is http://confirmtx.com/
They charge a small fee which you can change, but it defaults to $5. They're rather slow, in that it can take a day or two to get that confirmation. BTW, once a transaction has ONE confirmation, the other confirmations will follow within an hour or so, since the first confirmation gets it into a block, and there it can't be ignored anymore.
Second one is at http://btc.com
These guys are FAST, but they also aren't cheap. It cost me $71 to get a 0.4BTC transaction confirmed, but they pushed it through within MINUTES after they got my payment. Of course you don't wanna pay them with bitcoin if your exchange has problems with getting those transfers confirmed, but they take ETHER and Bitcoin Cash which work well even if sent from a lousy crypto exchange. And what you do at btc.com is that you put the transaction ID into the search field and hit enter. If that transaction is unconfirmed, they got a red button there to ACCELERATE the transaction.
Oh and you have to give them the bitcoin TRANSACTION ID. That can be found by a search at Blockchain.info, by putting the receiving address into the search field.
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https://steemit.com/bitcoin/@jaro/there-s-a-gold-rush-going-on
Or just go to https://hashflare.io/r/1E78B84C to sign up.
They pay out daily and to buy a bitcoin mining contract just click on "Buy Hashrate" and then move the slider to the amount you want. Pay with bitcoin or credit card.
