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Author Topic: Bitcoin Node App for Android  (Read 3604 times)
Niggle (OP)
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February 15, 2014, 07:36:05 AM
 #1

I couldnt find one anywhere but was wondering if an Android Bitcoin Node app (like Bitcoin QT) exists. Rather than running my computer 24/7 to make a node, I'd like to support the network by having a small android tablet run as a node. Cheers.

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February 15, 2014, 09:00:09 AM
 #2

I couldnt find one anywhere but was wondering if an Android Bitcoin Node app (like Bitcoin QT) exists. Rather than running my computer 24/7 to make a node, I'd like to support the network by having a small android tablet run as a node. Cheers.

lol no cant do....

A complete node would require a full blockchain.

No way you can have it on a mobile device.... its a RAM hog as well.
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February 16, 2014, 12:01:14 AM
 #3

I couldnt find one anywhere but was wondering if an Android Bitcoin Node app (like Bitcoin QT) exists. Rather than running my computer 24/7 to make a node, I'd like to support the network by having a small android tablet run as a node. Cheers.

Impossible.

Possible - but not neccesary.
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February 16, 2014, 05:53:16 AM
 #4

I couldnt find one anywhere but was wondering if an Android Bitcoin Node app (like Bitcoin QT) exists. Rather than running my computer 24/7 to make a node, I'd like to support the network by having a small android tablet run as a node. Cheers.

lol no cant do....

A complete node would require a full blockchain.

No way you can have it on a mobile device.... its a RAM hog as well.


Um why not? Storage clearly isn't the issue... processing the blockchain could take a while but isn't impossible. I don't see why this is entirely out of the question.

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February 16, 2014, 07:54:27 AM
 #5

I've seen one
But processing would take months

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February 08, 2015, 09:40:53 PM
 #6

i'm upping this 3d cause i'm interested.... are there any possibilities?
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February 08, 2015, 09:46:04 PM
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You can run a bitcoin node on a raspberry pi

http://blog.pryds.eu/2014/06/compile-bitcoin-core-on-raspberry-pi.html
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February 08, 2015, 10:22:58 PM
 #8

yes thanks i know it...but i was looking for something specifically for android since i have one unused android minipc.
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February 08, 2015, 10:38:19 PM
 #9

If you ever do this please don't let others connect to your node over port 8333. You'd be doing a disservice to the overall performance of the network.
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February 08, 2015, 10:46:21 PM
 #10

I don't think this would be a very good idea. If you were to run such an app then it would be a bandwidth hog and bandwidth is very expensive on mobile devices, plus the fact that mobile devices tend to be less efficient in terms of CPU usage and memory capacity

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February 08, 2015, 10:56:05 PM
 #11

If you ever do this please don't let others connect to your node over port 8333. You'd be doing a disservice to the overall performance of the network.

Is it pointless running a node on Android? This reddit thread says nodes without port port 8333 open cannot make connections with nodes joining the network or looking for more connections.

http://www.reddit.com/r/Bitcoin/comments/1scd4z/im_running_a_full_node_and_so_should_you/cdw3lrh?context=3

Quoting a post on the reddit thread.

Having a maximum of 8 connections corresponds to bitcoin not being set up to listen to the outside world on port 8333, usually due to a router or firewall. If a node is not listening for connections, then it can only connect to existing nodes that have their port open. Nodes without their port open cannot make connections with nodes joining the network or looking for more connections. By running a node without the port open, you are essentially taking resources from the network but not giving anything back yourself.
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February 08, 2015, 11:27:56 PM
 #12

If you ever do this please don't let others connect to your node over port 8333. You'd be doing a disservice to the overall performance of the network.

Is it pointless running a node on Android? This reddit thread says nodes without port port 8333 open cannot make connections with nodes joining the network or looking for more connections.

http://www.reddit.com/r/Bitcoin/comments/1scd4z/im_running_a_full_node_and_so_should_you/cdw3lrh?context=3

Quoting a post on the reddit thread.

Having a maximum of 8 connections corresponds to bitcoin not being set up to listen to the outside world on port 8333, usually due to a router or firewall. If a node is not listening for connections, then it can only connect to existing nodes that have their port open. Nodes without their port open cannot make connections with nodes joining the network or looking for more connections. By running a node without the port open, you are essentially taking resources from the network but not giving anything back yourself.
You can easily open port 8333 on your android phone. The question really is weather or not the phone is capable of actually providing any meaningful amount of resources to the network

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February 09, 2015, 12:09:22 AM
 #13

It is possible to build https://github.com/bitcoin/bitcoin for Android. I compiled Qt wallet on Android and I ran it.
But I do not think it's necessary. Need to redraw the interface to use comfortably Qt on Android...
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February 09, 2015, 01:17:37 AM
 #14

Will be possible in a short future to run at least half of the blockchain with our smartphone? Just asking...

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February 09, 2015, 01:37:20 AM
 #15

Maybe you should use the android phone with 64G disk, or else this must be nightmare

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February 09, 2015, 04:29:02 AM
 #16

If you ever do this please don't let others connect to your node over port 8333. You'd be doing a disservice to the overall performance of the network.

Is it pointless running a node on Android? This reddit thread says nodes without port port 8333 open cannot make connections with nodes joining the network or looking for more connections.

http://www.reddit.com/r/Bitcoin/comments/1scd4z/im_running_a_full_node_and_so_should_you/cdw3lrh?context=3

Quoting a post on the reddit thread.

Having a maximum of 8 connections corresponds to bitcoin not being set up to listen to the outside world on port 8333, usually due to a router or firewall. If a node is not listening for connections, then it can only connect to existing nodes that have their port open. Nodes without their port open cannot make connections with nodes joining the network or looking for more connections. By running a node without the port open, you are essentially taking resources from the network but not giving anything back yourself.
You can easily open port 8333 on your android phone. The question really is weather or not the phone is capable of actually providing any meaningful amount of resources to the network

Exactly. In fact if a low-power node craps out in the middle of serving out blocks to other nodes that are unfortunate enough to be connected to it those other nodes could hang for 30 seconds or more before giving up and then trying to request the information from another node.

When I download blocks for a new Bitcoin Core installation with no special settings, it takes about 2-3 days to catch up with the current blockchain. When I do the same thing but I set "connect=" in bitcoin.conf to another of my own nodes that is running on good server hardware with 1Gbps internet bandwidth, it takes at most 6 hours to download the blockchain. The reason why the former is so slow is because there are a lot of crap full nodes out there and as Bitcoin Core randomly connects to them your download slows down or even stalls.
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January 15, 2016, 01:25:48 PM
 #17

Perhaps it would be best to build bitcoinj on Android over bitcoin core due to it's SPV abilities.  Moores law implies that it will get easier to run fully decentralised wallets on lightweight devices.

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January 15, 2016, 02:17:02 PM
 #18

BitcoinJ will work. However you will need to run it in full node mode and allocate sufficient storage. Seems like a waste to use an android device when a raspberry pi with a USB HD might suffice instead.
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January 18, 2016, 02:30:25 PM
 #19

If you ever do this please don't let others connect to your node over port 8333. You'd be doing a disservice to the overall performance of the network.

Is it pointless running a node on Android? This reddit thread says nodes without port port 8333 open cannot make connections with nodes joining the network or looking for more connections.

http://www.reddit.com/r/Bitcoin/comments/1scd4z/im_running_a_full_node_and_so_should_you/cdw3lrh?context=3

Quoting a post on the reddit thread.

Having a maximum of 8 connections corresponds to bitcoin not being set up to listen to the outside world on port 8333, usually due to a router or firewall. If a node is not listening for connections, then it can only connect to existing nodes that have their port open. Nodes without their port open cannot make connections with nodes joining the network or looking for more connections. By running a node without the port open, you are essentially taking resources from the network but not giving anything back yourself.
You can easily open port 8333 on your android phone. The question really is weather or not the phone is capable of actually providing any meaningful amount of resources to the network

Exactly. In fact if a low-power node craps out in the middle of serving out blocks to other nodes that are unfortunate enough to be connected to it those other nodes could hang for 30 seconds or more before giving up and then trying to request the information from another node.

When I download blocks for a new Bitcoin Core installation with no special settings, it takes about 2-3 days to catch up with the current blockchain. When I do the same thing but I set "connect=" in bitcoin.conf to another of my own nodes that is running on good server hardware with 1Gbps internet bandwidth, it takes at most 6 hours to download the blockchain. The reason why the former is so slow is because there are a lot of crap full nodes out there and as Bitcoin Core randomly connects to them your download slows down or even stalls.
That's why it is not a good idea to create some android crap nodes. I don't reccomend you running a node on your android device. If you want to just see, go for it, but running full-time node from android device is not reccomended at all.
You will slow down BTC network and kill your device
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February 22, 2018, 05:12:32 PM
 #20

Take a look at this:

www.boetchain.com or https://play.google.com/store/apps/details?id=com.boetchain.bitcoinnode

It still very early, so for now, only maintaining connections with peers are available - but it is a start.

Disclaimer: I am a dev on the project
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