Linked Questions

9
votes
1answer
3k views

Why does the default miner implementation use pay-to-pubkey?

Looking at the v0.9.3 source in miner.cpp: CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey) { CPubKey pubkey; if (!reservekey.GetReservedKey(pubkey)) return NULL; ...
11
votes
1answer
3k views

What strategies can an e-wallet use in order to reduce transaction fees?

I noticed that most Bitcoin exchanges (MtGox, TradeHill, ExchangeBitcoins, etc.) do not charge any fees for withdrawing bitcoins. What kind of strategies can they use in order to reduce these costs?
9
votes
1answer
25k views

Calculator for estimated TX-Fees

First of all, this refers to How to calculate transaction size before sending What is the exact formula for calculating transaction fees? I want to estimate the TX-Fee I would have to pay in a ...
3
votes
3answers
9k views

Bitcoin transaction fee calculator

I'm new to bitcoin. Is there a website where I can type amount of BTC I want to send and type of transaction - Urgent, Normal, Economic and they give me the price in USD how much the transaction fee ...
1
vote
2answers
11k views

how to calculate transaction bytes of a x BTC? x=0.2

i have read : How to calculate transaction size before sending but i will not understand what are in and out. as describe in this link in=40 and out=16 what does it mean??? i will send only one ...
4
votes
3answers
5k views

Calculate tx fees before sending with sendtoaddress

I see this question time and time again, but I only find answers for calculating the fees in creating raw transactions. I am using sendtoaddress and would like to be able to calculate the tx fee ...
3
votes
1answer
4k views

What does a Bitcoin transaction consist of?

I gather that 2400 transactions fit into a 1 MB block. That's 436 bytes per transaction record. But what's in a transaction record? Is there a good Powerpoint presentation that describes how Bitcoin ...
4
votes
3answers
930 views

1,500% transaction fee and 3,5 months to confirm?

So my service is skimming a tiny 0,001% (1/1,000) fee off every payment that gets through it. Most of the transactions are actually micro-payments so there are thousands of tiny unspent outputs ...
9
votes
1answer
1k views

How to take advantage of the free transaction relay policy?

I have about 0.027 BTC total, spread over 272 transactions. Was going to send them to someone, and then the transaction fees hit me: 0.0245 BTC. This agrees with the answer to this question -- (272 ...
5
votes
1answer
1k views

Fees for bitcoind sendmany, limits for number of end addresses

I have two questions, both about sendmany. First, is there any limit on how much transactions can I send with sendmany? (Apart from bash's limit with maximal parameter length.) Is sending about 500 ...
4
votes
1answer
2k views

How are transaction fees calculated in raw-transactions?

So, after understanding how to create and send raw transactions on the basis of 'How to send from many bitcoin addresses to one bitcoin address?', in practice I still struggle with transaction fees. ...
1
vote
2answers
854 views

Why are transaction fees sometimes higher than what I'm transferring?

Transferring from my wallet to another baffles me prior to the transaction charges. Please someone help. The charges are sometimes higher than what I am sending.
3
votes
2answers
504 views

Why are some transactions larger (in bytes) than others?

There's this transaction: http://blockchain.info/tx/2588df59035129de0f0cb20d2cb5d77d18830043aa68ad2a1a2df7d727bc7a62 that is 802 bytes but for only 1.4BTC Another transaction: http://blockchain.info/...
2
votes
2answers
685 views

Even if transaction fee is set to BTC 0.00001, transactions remain unconfirmed

I'm testing an application based on bitcoinj so I've been sending small amounts for days and it worked fine – transaction fees are set by default to BTC 0.00001. As of yesterday, these small ...
4
votes
1answer
933 views

Why is a minimum transaction fee for 0.01 BTC *sometimes* enforced

I have read Why would Bitcoin-QT attempt to charge a processing fee, when I have my transaction fees set to zero? but I still have a question. I am sending 0.01 BTC from my wallet to my Ethereum ...

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