Questions tagged [time]
The time tag has no usage guidance.
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Unable to use UNIX timestamp for locktime on testnet
I am trying to create a timelock transaction, but I am unable to use a UNIX timestamp on testnet. However, if I use a block height the transaction works.
When I use a block height that is in the ...
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why halving happens each 210,000 blocks?
target time between blocks = 10m
=> 6 blocks per hour
=> 6 * 24 = 144 blocks per day
=> 6 * 24 * 7 = 1,008 blocks per week
=> 6 * 24 * 7 * 52 = 52,416 blocks per year
=> 6 * 24 * 7 * 52 ...
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Can Bitcoin work without Network Time Protocol?
After reading an article about the imminent retirement of David Mills, and the possibility that there could be some handover issues (imho just rumors), I wondered if the Bitcoin protocol depends by ...
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Searching The Blockchain Based on Transaction Amount and/or Date
I know there are a lot of services to look up if I have the wallet address or transaction ID. But, let's say I have no idea who the sender or receiver were nor a transaction ID but I know ...
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Does the length of the blockchain affect computing power needed to verify transactions?
As the blockchain for something like BTC grows, does that affect the time needed to verify new transactions and/or the integrity of the blockchain? From my understanding, miners only verify the hash ...
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Is the Bitcoin Blockchain aware of time?
I recently learned about how the lightning network works, and one particular thing that I found interesting is that, to prevent fraud, the output for each commitment transaction contains a clause for ...
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What would happen to Bitcoin if GPS/Galileo timing ceased to be available?
According to this web site, the timing from a system like GPS is essential to "financial networks [which] rely on precision timing for synchronization and operational efficiency." Is the ...
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How strict are the Unix Epoch time validation rules?
According to bitcoin.org, full nodes have a strict requirement on the deviation of time within certain boundaries.
The block time is a Unix epoch time when the miner started hashing the header (...
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How much does a block's recorded time differ from the actual time that my node first sees it? [duplicate]
A block has a "time" and a "mediantime". Is it correct that the "time" is supposed to generally reflect the real time the block was mined and broadcast to the network? If ...
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I used a local honey badger bitcoin atm to buy 250.00 CAD worth of bitcoins, where did it go? [closed]
Ok, so it's not my first time buying/using bitcoin. However, this is the first time I've used my own wallet and purchased bitcoin solely for myself. I downloaded the app Bitcoin_wallet and used a ...
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Time allowed to a node to react to verify a transaction and number of verifications?
Do the person acting as full nodes have to be active and online around for a particular decided time, like a job where you have to be around your machine because a transaction for verification can pop ...
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How dependent is Bitcoin on the clock?
Bitcoin takes into account clock of nodes on the network when propagating transactions tru the mempool and persisting them into the next block. If majority of the network clocks are compromised what ...
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Mining a new block
Hypothetically, if you only have one node mining in the network, how much time does it take to solve for the nonce assuming for example the current difficulty?
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How difficulty variation is technically linked to time take for the block discovery?
Can anybody explain to me technically in units about the time relation to difficulty variation in bitcoin mining e.g. if a block is discovered in 10 minutes, does
T = 10 minutes?
or T = 20160 minutes
...
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3
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Why does the median-past time average the last 11 block timestamps and not the last 12?
As described in BIP-113. Wouldn't the last 12 blocks bring us closer to a one-hour offset (ie 120min, midpoint 60)?
- 239
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Pay to many addresses transaction time?
I read here about the fees difference when paying to many addresses at once instead of doing it one after another.
I was wondering whether this applies to the transaction time as well.
Is it ...
- 113
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Bitcoind Testnet time/timereceived constantly changing?
I've got a small question: over a week ago I did some transactions on the Bitcoin testnet as I am developing a new GUI header for full nodes. When continuing development today, I noticed that when ...
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At what time will the payment be taken when buying bitcoin on an exchange?
So for example if you place a order for BTC when it is in a small dip (for example some minutes),
Will the usd dollar price you pay be equal to the price at the time you placed the order or when it it ...
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Mastering Bitcoin: Advanced Scripting Question
At the end of Mastering Bitcoin Chapter 7. https://github.com/bitcoinbook/bitcoinbook/blob/second_edition/ch07.asciidoc#complex-script-example
They ask this question in regards to the script:
How do ...
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Gear/approach to legimitately mining (not buying) a single Bitcoin
Background
I have a relative who has been trying to get into Bitcoin mining. He accidentally installed malware onto his home PC twice, thinking it was a mining tool. He understands mathematics but is ...
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How long would it take for me to mine a bitcoin with a TItan XP nvidia [duplicate]
How long would it take me to mine 1 bitcoin with an nvidia titan xp graphics card?
ty for helping if u do.
user52321
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How long is it reasonable to wait for an unconfirmed transaction? [duplicate]
Approximately 18 hours ago I made 2 transactions of similar value (approx 0.02 BTC each). This was sending bitcoins to 2 seperate address's. The transaction fees were approx 1% of the values sent. Any ...
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Why transactions' average confirmation times becoming more chaotic?
According to this chart, Bitcoin's transactions' average confirmation times are varying much more widely than they were a year ago. Why would this be? Is it because the daily transaction rate has been ...
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How does bitcoin handle extreme transaction volume?
What would happen if the amount of active Bitcoin users grows up enough so that the average rate at which transactions are created becomes faster than the average rate at which transactions are ...
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Does synchronization takes such long time for first time or every time when syncing?
My internet bandwidth is around 10 - 20 KB/s. If I could sync with it for the first time then no problem. If I should need to sync it every time when opening it then it's really a big problem for me.
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Accelerated block generation
According to http://btc.blockr.io/ :
Height Block created Transactions Block fee Size (kb) Days destroyed
318525 2 minutes ago 28 0.00370000 8.36 kB 2.00
318524 3 ...
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Are time, timereceived and blocktime in UTC?
I read around about the differences between time, blocktime and timereceived, but one question remains. Although I assume all times are UTC, I haven't seen that mentioning specifically anywhere.
Does ...
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Any advantages in terms of our location & East-West timing differences for self mining on a 100 th/s btc rig
I do live in india.. I believe that bitcoin mining rig owners are very lessaound us ..I read some where that we will be able to mine more bitcoins while the west or far-east sleeps..
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As it time decipher in normal view? [closed]
As it
"time": 1400789570,
"timereceived": 1400789570
decipher in normal view?
- 121
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Fastest cryptocurrency
What cryptocurrency is the fastest in terms of reaching 100% transaction confirmation?
I've found sites like this that show that Fastcoin is the fastest at 48 seconds.
I think David Schwartz said ...
user5107
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Does Ripple use NTP?
Does Ripple use NTP or expect the nodes to do so?
If not, why not? It seems that Ripple is a little more closed than your standard cryptocurrency, so this doesn't seem like an excessive demand.
user5107
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Is it possible (in some way or other) to expire a txout?
I read Contracts: Will this be possible? where part of the question related to expiring a transaction and one of the replies said that it would never be possible since it causes problems. ...
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Is there a minimum time to be mining a pool to have any results?
For example if mining with Deepbit is there a minimum time one must run cgminer to have anything added to their Deepbit account balance?
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How accurate is Bitcoin network time?
Have any observations been made to conclude the accuracy of Bitcoin network time?
It would be interesting to know if NIST or any other authority has tracked the phenomenon.
user5107
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Are timestamps in transactions trustable?
I need to properly segment transactions by time. Are timestamps in transactions trustable? Can these be forged?
I'm not sure if transaction timestamps are part of the protocol, but I'm particularly ...
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Is the time value in transaction or block information the time it arrived at my client? [duplicate]
Both transactions and blocks have a time field when you use Bitcoin's getblock or gettransaction methods. The API method list defines the transaction time as " time the transaction occurred".
Is this ...
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How long does it take to download the blockchain? It's been over a day and still going
I'm a newbie to bitcoins, and need some help!
I downloaded the Bitcoin client and installed it on my laptop.
It is 'Synchronizing with the network' and has been doing this for over a day. Is this ...
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How old should be my bitcoins to send them again without transaction fee?
I'm making some test for a bitcoin merchant webpage. I want to test different actions without paying transaction fees everytime, but I can't since I use the same few bitcoins for everything.
Sooo how ...
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How does Bitcoin figure out what time it is?
Bitcoin needs to know the current time in order to validate blocks. How does it decide that?
Note that I'm talking about the Satoshi client specifically.
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