crypto4jan (OP)
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December 18, 2020, 09:43:00 PM Last edit: March 04, 2021, 02:45:50 PM by crypto4jan |
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Hi Bitcoin people, I'm on Bitcointalk since early 2014 and was most of the time active in the Altcoin section. I have concerns about the environmental impact of the use of Bitcoin but I have some idea's to make it greener. It is a journey and I started to investigate more the use of small devices for supporting the blockchain network. There are several guides to setup a Bitcoin full node in Rasberrypi. https://blog.brakmic.com/running-a-full-bitcoin-node-on-raspberry-pi-3/https://howchoo.com/bitcoin/run-bitcoin-full-node-raspberry-piI have a few Rasberrypi V3 and I tried with and without a GUI. ![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2FqbUnEvn.jpg&t=665&c=ioFk31OhAjY1Tg) The setup is running now with a 500GB HDD. ![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2FJPQaqSq.jpg&t=665&c=mD38gw7tqKSdEA) With 45 connections and also incoming because port 8333 is open for the device. ![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2FhEpNPE3.png&t=665&c=An7yC4aXxj2xBw) Registered my full node @ https://bitnodes.io/But I also played with the command version of the Bitcoin full node: ![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2FtfELSWY.png&t=665&c=sJRPmTBAVRWhCw) Mounted the same disk containing a copied version of the complete Bitcoin blockchain from my PC. ![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2FCcXkdkf.png&t=665&c=2bGO8_z1Z7lpEw) Content of the bitcoin home folder before I started the Bitcoin full node. ![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2FigioKKZ.png&t=665&c=FmHwpbVH1xmsQQ) And after a few hours 18 connections. I hope you like to read this post and see the success of my efforts. By sharing this maybe others are motivated also create a Bitcoin full node on a Raspberrypi, it is very energyeffecient. My idea's for a more energy-efficient Bitcoin blockchain ecosystem I shall share in the next post I make in this topic. Have a nice day, Jan
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examplens
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December 21, 2020, 09:18:23 PM |
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uh, even when I spare the hardware for this, and no way to dedicate myself to it and put it to work. maybe soon ![Grin](https://bitcointalk.org/Smileys/default/grin.gif) 500GB Hard drive for blockchain files seem is enough, right? but I was thinking something, whether such a node can be used for help with transaction acceleration?
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examplens
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December 22, 2020, 10:01:55 AM |
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but I was thinking something, whether such a node can be used for help with transaction acceleration?
No, unless you mean rebroadcasting transaction (either manually or use script which do it automatically) Yes, I mean that. the last time we very often get a stuck transaction, last time I wait almost 48 hours for the first confirmation it sometimes complicates things for me. if it can help me speed up with tx confirmation, I will run it for sure.
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December 22, 2020, 10:11:12 AM |
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uh, even when I spare the hardware for this, and no way to dedicate myself to it and put it to work. maybe soon ![Grin](https://bitcointalk.org/Smileys/default/grin.gif) 500GB Hard drive for blockchain files seem is enough, right? but I was thinking something, whether such a node can be used for help with transaction acceleration? have the same I guess but at some I noticed that full node kinda slows down CPU
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crypto4jan (OP)
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December 22, 2020, 11:53:38 AM |
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Thank you all for your contribution to this topic. I read the suggestion to use a 1TB disk instead of a 500 GB. Running 2 years a node on Raspberrypi is a long time but possible maybe. I used a 5.25 inch HDD from an old PC configuration and on my second RPI node a Samsung T3 500GB. On the 3rd RasberryPI, I just run the pruned blockchain as a test and not for the full node. The challenge was also to use used v3 raspberry pi and give them a second life as Bitcoin full node. I apply some other tests on two of the RPI's to see if they are able to run more blockchain tasks besides being a Bitcoin full node. If these tests are successful I shall share them. I noticed that the full node collected more transactions in the mem-pool. Maybe that is good for making the network faster? See the screenshot: Left is my desktop PC with a pruned blockchain In the middle the RaspberryPI Bitcoin full node On the right the Raspberry Bitcoin-CLI full node I'm a noob in bitcoin-cli so I know only the get-info command. Is there maybe a localhost bitcoin-cli application that can simulate (more or less) a normal wallet and gives a lot of useful information? That's it for today, Jan
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Dead_M
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February 10, 2021, 06:02:27 AM |
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uh, even when I spare the hardware for this, and no way to dedicate myself to it and put it to work. maybe soon ![Grin](https://bitcointalk.org/Smileys/default/grin.gif) 500GB Hard drive for blockchain files seem is enough, right? but I was thinking something, whether such a node can be used for help with transaction acceleration? Same idea I need a prove that it helps transactions to accelerate
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crypto4jan (OP)
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February 10, 2021, 09:34:19 AM |
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... I need a prove that it helps transactions to accelerate
Prove is hard to give. If the network was only supported by mining farms, nobody was aware of the existence of Bitcoin today. The small nodes are the capillaries in the network and important for mass adoption and making the network more secure. I work on a personal project to check the possibilities to manage the flow of blockchain information. Now running 8 Bitcoin nodes behind my router and 1 is a full node. Each of the 8 internal nodes is connected to another internal node and I play with the adjustments. The challenge is that I want to send/coach transactions/information to eco-BTC miners when they are ready and available. This is a multi-blockchain application I have in mind. More info in the future. Have a nice day, Jan
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February 10, 2021, 12:51:07 PM |
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The PSU is the computer part that draws all the energy so by getting one rated for a lower amount of watts, you automatically reduce power usage of the whole system.
CPUs, hard drives, memory controllers etc have a small power draw. Just omit the dedicated graphics card and you can make an Intel-based system as power efficient as a Pi.
Full nodes are not the ones that draw obscene amounts of power anyway, it's the miners. And if the power usage of full nodes are a problem, then we got a bigger electricity problem with the number of gaming PCs in use right now, which is much higher than the combined power draw of all 10K active full nodes.
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March 03, 2021, 12:15:30 PM |
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cool you guys are running full node but I wonder if really great investors do it will it help
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crypto4jan (OP)
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March 04, 2021, 02:45:30 PM |
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With the enormous increase in decentralized energy generation, the grid operators can support decentral small mining for balancing the electricity network. The full nodes can contribute to balancing by routing the incoming transactions to eco-miners. Besides bitcoin also EnergyCoin and Stakecoin are on the fullnode. See my project: https://bitcointalk.org/index.php?topic=1028941.msg56403331#msg56403331Have a nice day, Jan
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March 04, 2021, 04:14:38 PM |
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I don't feel the nodes are the problem here, we can run a node on a virtual machine on a phone and consume the minimum, but the problem is the miners, Just think about it, the 99% of the energy consumed by bitcoin is in their miners and not in their nodes. So, the right way to make bitcoin green is to follow the steps of ETH and move from PoW to PoS. That's the right way to turn off those miners and make from bitcoin something friendly for the world (While we keep using our fuel cars ![Grin](https://bitcointalk.org/Smileys/default/grin.gif) ).
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March 04, 2021, 04:33:59 PM |
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It was already said a couple posts ago that the nodes aren't the ones drawing much energy. The topic is greatly misleading. And you guys should not make this thread an altcoin fiesta, unless you want to move it to altcoins section.
Now back to topic: I like the idea of this project: a silent Bitcoin node. And while reading another topic something has occurred to me: how is the HDD doing over time? If it would not be an old HDD, wouldn't a 512GB microSD card be more appropriate for this setup? And something else: if this setup is already done and running, wouldn't an ElectrumX (or similar) service come as an obvious "next step"? Is the overhead/extra disk space significant?
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March 19, 2021, 11:20:17 AM |
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just let's use the heat we have got from mining
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crypto4jan (OP)
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It was already said a couple posts ago that the nodes aren't the ones drawing much energy. The topic is greatly misleading. And you guys should not make this thread an altcoin fiesta, unless you want to move it to altcoins section.
Now back to topic: I like the idea of this project: a silent Bitcoin node. And while reading another topic something has occurred to me: how is the HDD doing over time? If it would not be an old HDD, wouldn't a 512GB microSD card be more appropriate for this setup? And something else: if this setup is already done and running, wouldn't an ElectrumX (or similar) service come as an obvious "next step"? Is the overhead/extra disk space significant? I do research for several storage solutions on 12 devices in my home and 2 on other locations. Some simple USB can handle a pruned version of the Bitcoin blockchain and some can't. Clients with an HDD or SSD with the complete blockchain get much more connections when port 8333 is forwarded to the router. Also with wired connection more connections than with WiFi. For energy efficiency, an SSD or microSD/USB-stick is better than HDD I guess. I have another challenge: Ubuntu-core on my NUC's does updates with an automatic reboot. On this platform, I'm not able to program automatically restart the snap wallets I run. A possible solution is to prevent automatic updates or create a custom Ubuntu-core-blockchain platform. On Ubuntu-desktop you can set a restart of the wallet but that only triggers when you log in again. Are there people here who have suggestions to solve this?It is important for mass adoption that IoT-devices running on Ubuntu-core-blockchain are easy to manage. The IoT-Blockchain device can earn value in your house by trading your energy surplus from solar panels or increase consumption (mining) when there is too much energy available. Have a nice day, Jan
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Kakmakr
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March 21, 2021, 11:47:38 AM |
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Most of the energy concerns are not related to the electricity used to run full nodes, but rather the massive amounts of ASIC mining farms that are processing the transactions.... hashing it out every day. The day when someone can make some kind of ASIC that can hash at a fraction of the electricity that it is currently doing this, then I reckon people will stop complaining about this. (The more ASIC's they add, the higher the difficulty increase and the more ASIC's they need) OP... your idea for the full nodes will still make a small impact and we need small changes to make a difference in the long run. ![Wink](https://bitcointalk.org/Smileys/default/wink.gif) (Your configuration is very streamlined and inexpensive)
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..Stake.com.. | | | ▄████████████████████████████████████▄ ██ ▄▄▄▄▄▄▄▄▄▄ ▄▄▄▄▄▄▄▄▄▄ ██ ▄████▄ ██ ▀▀▀▀▀▀▀▀▀▀ ██████████ ▀▀▀▀▀▀▀▀▀▀ ██ ██████ ██ ██████████ ██ ██ ██████████ ██ ▀██▀ ██ ██ ██ ██████ ██ ██ ██ ██ ██ ██ ██████ ██ █████ ███ ██████ ██ ████▄ ██ ██ █████ ███ ████ ████ █████ ███ ████████ ██ ████ ████ ██████████ ████ ████ ████▀ ██ ██████████ ▄▄▄▄▄▄▄▄▄▄ ██████████ ██ ██ ▀▀▀▀▀▀▀▀▀▀ ██ ▀█████████▀ ▄████████████▄ ▀█████████▀ ▄▄▄▄▄▄▄▄▄▄▄▄███ ██ ██ ███▄▄▄▄▄▄▄▄▄▄▄▄ ██████████████████████████████████████████ | | | | | | ▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄ █ ▄▀▄ █▀▀█▀▄▄ █ █▀█ █ ▐ ▐▌ █ ▄██▄ █ ▌ █ █ ▄██████▄ █ ▌ ▐▌ █ ██████████ █ ▐ █ █ ▐██████████▌ █ ▐ ▐▌ █ ▀▀██████▀▀ █ ▌ █ █ ▄▄▄██▄▄▄ █ ▌▐▌ █ █▐ █ █ █▐▐▌ █ █▐█ ▀▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▀█ | | | | | | ▄▄█████████▄▄ ▄██▀▀▀▀█████▀▀▀▀██▄ ▄█▀ ▐█▌ ▀█▄ ██ ▐█▌ ██ ████▄ ▄█████▄ ▄████ ████████▄███████████▄████████ ███▀ █████████████ ▀███ ██ ███████████ ██ ▀█▄ █████████ ▄█▀ ▀█▄ ▄██▀▀▀▀▀▀▀██▄ ▄▄▄█▀ ▀███████ ███████▀ ▀█████▄ ▄█████▀ ▀▀▀███▄▄▄███▀▀▀ | | | ..PLAY NOW.. |
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crypto4jan (OP)
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March 21, 2021, 01:45:50 PM |
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Most of the energy concerns are not related to the electricity used to run full nodes, but rather the massive amounts of ASIC mining farms that are processing the transactions.... hashing it out every day. The day when someone can make some kind of ASIC that can hash at a fraction of the electricity that it is currently doing this, then I reckon people will stop complaining about this. (The more ASIC's they add, the higher the difficulty increase and the more ASIC's they need) OP... your idea for the full nodes will still make a small impact and we need small changes to make a difference in the long run. ![Wink](https://bitcointalk.org/Smileys/default/wink.gif) (Your configuration is very streamlined and inexpensive) I'm aware that the full-node network consumes a fraction of the total energy of the ASIC mining farms but it is a start to Make Bitcoin Green. The full-nodes are the barebone of the network and essential for the Bitcoin ecosystem. If there comes an innovation for mining equipment that uses a fraction of the energy a new rat race will start and it not good for the environment. All the old mining equipment has to be recycled and what to do with the energy surplus that has no purpose. My idea is a smart Green Bitcoin Network where everybody can contribute and earn value (Bitcoin) by acting on consuming or not consuming energy by environmental and economic constraints. So start mining when there is an energy surplus with no purpose and save energy when there is a shortage of energy and this is done by economical motivation. Have a nice day, Jan
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crypto4jan (OP)
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March 22, 2021, 03:33:22 PM |
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Bitcoin-core snap expects the blockchain in the default map. When the size of the disk is not enough you can choose to prune. In this way, I was able to run a full node on a 16GB microSD-card. But I found out that it is also possible to mount an external disk on the default location. sudo mount /dev/sda1 /home/pi/snap/bitcoin-core/common/.bitcoin ![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2FaIifrrH.png&t=665&c=V_SDmJPz3nKWKA) As you can see it works fine. Have a nice day, Jan
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crypto4jan (OP)
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March 23, 2021, 02:07:40 PM |
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.. That works, but i have 2 suggestion 1. I'm not sure what do you mean by "default map", but you can set Snap to allow Bitcoin Core access external drive with this command. sudo snap connect bitcoin-core:removable-media 2. You might want to modify /etc/fstab to ensure the drive mounted at correct directory during boot. See https://wiki.archlinux.org/index.php/Fstab#External_devicesI did this and I get these messages: pi@raspberrypi:~ $ sudo nano /etc/fstab pi@raspberrypi:~ $ sudo mount /dev/sda1 /mnt/bitcoin pi@raspberrypi:~ $ bitcoin-core.daemon -daemon -datadir=/mnt/bitcoin ERROR: ld.so: object '/usr/lib/arm-linux-gnueabihf/libarmmem-${PLATFORM}.so' from /etc/ld.so.preload cannot be preloaded (cannot open shared object file): ignored. ERROR: ld.so: object '/usr/lib/arm-linux-gnueabihf/libarmmem-${PLATFORM}.so' from /etc/ld.so.preload cannot be preloaded (cannot open shared object file): ignored. ERROR: ld.so: object '/usr/lib/arm-linux-gnueabihf/libarmmem-${PLATFORM}.so' from /etc/ld.so.preload cannot be preloaded (cannot open shared object file): ignored. Bitcoin Core starting
After a few minutes pi@raspberrypi:~ $ bitcoin-core.cli -getinfo -datadir=/mnt/bitcoin ERROR: ld.so: object '/usr/lib/arm-linux-gnueabihf/libarmmem-${PLATFORM}.so' from /etc/ld.so.preload cannot be preloaded (cannot open shared object file): ignored. ERROR: ld.so: object '/usr/lib/arm-linux-gnueabihf/libarmmem-${PLATFORM}.so' from /etc/ld.so.preload cannot be preloaded (cannot open shared object file): ignored. ERROR: ld.so: object '/usr/lib/arm-linux-gnueabihf/libarmmem-${PLATFORM}.so' from /etc/ld.so.preload cannot be preloaded (cannot open shared object file): ignored. { "version": 210000, "blocks": 675943, "headers": 675946, "verificationprogress": 0.9999944798959487, "timeoffset": 0, "connections": { "in": 1, "out": 2, "total": 3 }, "proxy": "", "difficulty": 21865558044610.55, "chain": "main", "keypoolsize": 1000, "paytxfee": 0.00000000, "balance": 0.00000000, "relayfee": 0.00001000, "warnings": "" } pi@raspberrypi:~ $
So the CLI-Bitcoin client starts but gives some messages. I switch to the GUI for the RaspberryPI
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crypto4jan (OP)
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March 24, 2021, 05:37:25 PM |
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I don't know why the error happened, but the error isn't directly related with Bitcoin Core and sometimes happens with application running on Raspberry Pi. Common "solution" is by modifying this file Then delete or add command (with "#" to this line) /usr/lib/arm-linux-gnueabihf/libarmmem.so
P.S. i don't know side effect of doing this, DO NOT do it unless you fairly sure it's not dangerous to do sothx it works i@raspberrypi:~/snap/bitcoin-core/common $ sudo nano /etc/ld.so.preload pi@raspberrypi:~/snap/bitcoin-core/common $ bitcoin-core.cli -datadir=/mnt/bitcoin -getinfo { "version": 210000, "blocks": 676124, "headers": 676124, "verificationprogress": 0.9999986473165158, "timeoffset": 0, "connections": { "in": 5, "out": 10, "total": 15 }, "proxy": "", "difficulty": 21865558044610.55, "chain": "main", "keypoolsize": 1000, "paytxfee": 0.00000000, "balance": 0.00000000, "relayfee": 0.00001000, "warnings": "" } pi@raspberrypi:~/snap/bitcoin-core/common $
I run also on NUC with Ubuntu-core and there no problem. Another question: How to auto-restart the bitcoin-core client on Ubuntu-core? I tried this: sudo nano /etc/systemd/system/BTC.service [Unit] Description=Bitcoin Blockchain Service After=network.target StartLimitIntervalSec=0 [Service] Type=simple Restart=always RestartSec=1 User=geojanbv ExecStart=/usr/bin/env bitcoin-core.daemon -daemon
[Install] WantedBy=multi-user.target Then: sudo systemctl enable BTC This works on Ubuntu-desktop but not on Ubuntu-core Have a nice day, Jan
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