Bitcoin Sign up or log in to customize your list._ Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top up vote 1 down vote favorite EDIT 3 Bumping my VPS to 1GB of physical RAM stopped the crashing issue... UNTIL said VPS ran out of disc space.I added prune=10240 to my ~/.bitcoin/bitcoin.conf file such that the blockchain file would start pruning transaction history upon reaching 10GB filesize (1024 MB * 10 = 10GB).EDIT 2 This seems to be a memory issue, not a VPN networking issue.I turned OpenVPN off and restarted bitcoind only to see it silently crash again.I've now added a 1GB swapfile to expand the available memory space (risk is this will cause performance issues for the OS).Will update once again if this solves the issue.If not, I will probably end up trying to upgrade the VPS instance to 1GB of physical RAM from 512MB.EDIT Found some interesting stuff in the log relating to tor... root@sf-vps:~# cat ~/.bitcoin/debug.log | grep tor -i 2016-11-13 16:52:21 Default data directory /root/.bitcoin 2016-11-13 16:52:21 Using data directory /root/.bitcoin 2016-11-13 16:52:21 Using at most 125 connections (1024 file descriptors available) 2016-11-13 16:52:29 torcontrol thread start 2016-11-13 17:08:43 Default data directory /root/.bitcoin 2016-11-13 17:08:43 Using data directory /root/.bitcoin 2016-11-13 17:08:43 Using at most 125 connections (1024 file descriptors available) 2016-11-13 17:08:50 torcontrol thread start 2016-11-13 17:08:50 tor: Error connecting to Tor control socket 2016-11-13 17:08:50 tor: Not connected to Tor control port 127.0.0.1:9051, trying to reconnect 2016-11-13 17:08:51 tor: Error connecting to Tor control socket 2016-11-13 17:08:51 tor: Not connected to Tor control port 127.0.0.1:9051, trying to reconnect 2016-11-13 17:08:52 tor: Error connecting to Tor control socket 2016-11-13 17:08:52 tor: Not connected to Tor control port 127.0.0.1:9051, trying to reconnect I've installed the Bitcoin software on Ubuntu 16.04.

I'm able to run bitcoind -daemon for a few minutes, but after a while the process crashes.Interestingly, I don't see any reasons in ~/.bitcoin/debug.log explaining why the program might have terminated.I suspect a couple of things: Not enough disc space to store the entire blockchain.However, I don't think this is the case as running df - h shows a combined total of only ~41% disc consumption: root@sf-vps:~# df -h Filesystem Size Used Avail Use% Mounted on udev 241M 0 241M 0% /dev tmpfs 50M 3.1M 47M 7% /run /dev/vda1 20G 6.3G 13G 34% / tmpfs 247M 0 247M 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 247M 0 247M 0% /sys/fs/cgroup tmpfs 50M 0 50M 0% /run/user/0 Server is not able to receive inbound messages as I'm running a VPN.Is it possible that I'm experiencing a networking issue, e.g.inbound traffic to port 8333 (the default for bitcoind) is not being allowed through my VPN?I can't remember how to change the VPN config to allow connections on specific ports, but that's where I'm looking next... root@sf-vps:~# netstat -nr Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 0.0.0.0 159.203.240.1 0.0.0.0 UG 0 0 0 eth0 10.8.0.0 10.8.0.2 255.255.255.0 UG 0 0 0 tun0 10.8.0.2 0.0.0.0 255.255.255.255 UH 0 0 0 tun0 10.12.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0 159.203.240.0 0.0.0.0 255.255.240.0 U 0 0 0 eth0 Thanks in advance for your help :) blockchain bitcoind storage-footprint memory up vote 0 down vote Are you sure 9051 is the right port for tor?

9050 is the default port.You can check it by using sudo netstat -plnt | grep ':9051'.And is the tor service active?When it still doesn't works try disabling selinux(If you are running linux).I had some problems with tor because selinux was blocking it.But don't forget to put it back on.If it is selinux you can make a rule for tor/bitcoin in selinux.Your Answer Sign up or log in Sign up using Google Sign up using Email and Password Post as a guest Name Email discard By posting your answer, you agree to the privacy policy and terms of service.litecoin increase in valueNot the answer you're looking for?que es minerar bitcoinBrowse other questions tagged blockchain bitcoind storage-footprint memory or ask your own question.litecoin mining performance

You have left the new version of The Economist website.Please let us know your thoughts.“GIVE me control of a nation’s money supply, and I care not who makes its laws.” So said Mayer Amschel Rothschild, founder of the Rothschild banking dynasty.What would he make of Bitcoin, an online currency with no issuing authority whatsoever?Despite being written off following a speculative bubble and crash last year, the online cryptocurrency is still going strong, not least thanks to its ability to circumnavigate the law.bitcoin jak uzywacBitcoin was devised in 2009 by a mysterious figure known as Satoshi Nakomoto.nvidia bitcoin miner downloadIt is the world’s first, and so far only, decentralised online currency.bbc news bitcoin miningInstead of a central bank, Bitcoins can be issued by anyone with a powerful personal computer: it mints them by solving extremely difficult mathematical problems.

The problems are automatically made harder to ensure that the overall supply of Bitcoins cannot grow too fast.They are traded online, with transactions cryptographically authenticated.These curious capabilities make Bitcoins a combination of a commodity and a fiat currency (creating the coins is referred to as “mining” and they have value only because people accept them).But boosters inflated a Bitcoin bubble.Shortly after the currency launched, articles spread around the internet arguing that Bitcoins would protect wealth from hyperinflation and that early adopters would make a fortune.The dollar price of a Bitcoin currency unit climbed from a few cents in 2010 to a peak of nearly $30 in June 2011 (see chart), according to data compiled by Mt Gox, a popular online Bitcoin exchange.Inevitably, the currency then crashed back down, bottoming out at $2 in November 2011.But in the nine months since, Bitcoin has recovered.One unit now costs $12, and the volume of transactions is increasing.

Though the price still fluctuates against the dollar, it is less volatile than it was, which makes it a better store of value.Its use as a means of exchange is also getting easier: an increasing number of online retailers take the currency, and new smartphone apps make Bitcoins almost as easy to use as cash.A proliferation of exchanges means that it is relatively easy to swap Bitcoins for conventional currencies.Tony Gallippi, the boss of Bitpay, which processes Bitcoin payments for retailers, says that his client list has increased from around 100 in March to 1,100 now.These are mostly e-commerce businesses, selling things like domain names and web hosting.But the list also includes a taxi-driver in Chicago and a dentist in Finland.“Credit cards weren’t designed for the internet,” he says.Bitcoin transactions cost less and cannot be reversed in the way credit-card transactions can be.This is important for firms selling to customers in countries known for credit-card fraud, such as Russia or Belarus.

But another big reason for the currency’s success is its role in dodgy online markets.Although tracing Bitcoin transactions to real people is not impossible, the currency’s relative anonymity and ease of use makes it a natural conduit for criminal funds.On the website Silk Road, a sort of eBay for drugs hidden in a dark corner of the web known as Tor, Bitcoins are the only means of transaction.Buyers transfer their Bitcoins into an escrow account where they sit until receipt of the goods is confirmed.Bitcoin transactions on Silk Road are now worth $1.9m per month, estimates Nicolas Christin, a researcher at Carnegie Mellon University.This may explain why users put up with a big drawback.Bitcoins tend not to be very secure, says Richard Booth, a consultant at RSA, a cyber-security firm.As some users have found to their cost, hackers can sometimes steal Bitcoins from users’ online vaults.In the latest raid, on September 5th, hackers stole $250,000 in Bitcoins from Bitfloor, a large American exchange, causing it to shut down its operation.

But although the raid caused a dip in the price of Bitcoins, it soon recovered.It turns out that a currency can thrive even when no one is making laws for it.Latest updates » : Should the Lions pick all 15 players from one team?Game theory : A new front in the legal fight over Donald Trump’s travel ban Democracy in America : Qatar Airways wants a 10% stake in American Airlines Gulliver : Ireland and Afghanistan become the first new Test... Game theory : Why calculating a British parliamentary majority is so tricky Graphic detail : Humanist nuptials are... Erasmus : How immigration is changing the Swedish welfare...The Economist explains More latest updates » Most commented Test your EQ Take our weekly news quiz to stay on top of the headlines Want more from The Economist?Visit The Economist e-store and you’ll find a range of carefully selected products for business and pleasure, Economist books and diaries, and much more