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Questions tagged [alert-system]

The alert system allowed sending messages about critical network problems to all Bitcoin nodes. It was retired in 2016.

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alertnotify: how long is long?

-alertnotify=<cmd> Execute command when a relevant alert is received or we see a really long fork (%s in cmd is replaced by message) How long is "a really long fork"?
Mercedes's user avatar
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stop on alertnotify

-alertnotify=<cmd> Execute command when a relevant alert is received or we see a really long fork (%s in cmd is replaced by message) How to stop Bitcoin Core on a really long fork?...
Mercedes's user avatar
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1 vote
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How do I broadcast an "alert" message to the network

I am curious about how to broadcast an alert. I know that this is possible because the system to send alerts has been shut down and this probably won't work, but I am curious about how I can ...
Number File's user avatar
1 vote
8 answers
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Bitcoin alert service if price dips or rises by a percentage base?

Is there a Bitcoin alert service that monitors the price and alerts the user when price dips or rises by a percentage base? Say I want to monitor the btc price if it rises by 5% and have it email me.
Patoshi パトシ's user avatar
1 vote
1 answer
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Is there anyway I can be notified on my phone when I receive bitcoin?

I am not talking about getting notified on my desktop, but I am talking about my phone.
Riley Potts's user avatar
2 votes
1 answer
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Assuming that the block size fork goes through, will the Bitcoin developers use the alert key to tell people to upgrade?

The block size increase proposal currently under discussion would require all clients that process transactions to upgrade. Otherwise, pre 0.11 clients would reject these larger blocks, leading to a ...
Nick ODell's user avatar
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2 votes
1 answer
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How do I get the temperature of my USB Miner?

Is there an option I can pass when running the miner? ( CGMiner / BFGMiner ) How does one get the temperature of a USB Miner? ( In my case BitFury )
Phill Pafford's user avatar
2 votes
4 answers
2k views

Recieve Bitcoin value notifications on iPhone

I would like every day at a set time to receive a notification on my iPhone with the current Bitcoin value in Euros. How can I have this?
jobukkit's user avatar
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5 votes
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What can a person do with special private keys?

The Alert message in the Standard Client will only be displayed if it is signed with a correct ECDSA private key. Should anyone get that private key, they would be able to propagate any alert through ...
ThePiachu's user avatar
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4 votes
1 answer
219 views

How does Bitcoin decide which Alert messages to forward?

The Bitcoin protocol lists an Alert message that in the Standard Client is displayed to all users. How does the Standard Client decide which messages to forward and display, and which to ignore? Does ...
ThePiachu's user avatar
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6 votes
2 answers
171 views

How can the alert system be triggered? Who can do it?

Since we established the alert system is included in the official client, I would like to know who can trigger the alert system, and how? Can this system be spammed (activated 1000s times per second) ...
ripper234's user avatar
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4 votes
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Is the alert system still in the main client's code? Will it be removed?

It is said that Satoshi removed the alert system from the client ... still, there are at least some leftovers in. Is the alert system functioning in 0.3.24? Are there plans to remove all traces of it?...
ripper234's user avatar
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