Questions tagged [alert-system]

Alert systems are mechanisms to notify users of security problems or other serious issues with software and systems that they are using. Some alert systems also lock down software to prevent a security problem from being exploited. Generally, a cryptographic key is required to activate an alert system and this key is typically held by the developers of the software.

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6
votes
2answers
158 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) ...
5
votes
1answer
388 views

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 ...
5
votes
1answer
209 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 ...
4
votes
1answer
285 views

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?...
2
votes
1answer
87 views

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 ...
2
votes
4answers
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?
2
votes
1answer
584 views

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 )
1
vote
7answers
3k views

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.
1
vote
1answer
17 views

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.
0
votes
1answer
14 views

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 ...