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Although I love Gavin, this is something we disagree about.
I think Blackcoin (a PoS coin) does a great job of addressing the "nothing at stake" problem.
This is how Blackcoin does that:
In order to mitigate the possibility of the pre-computation attack, the stake modifier will be changed at every modifier interval – to better obfuscate any calculations that would be made to pinpoint the time for the next proof-of-stake.
Here is a discussion we had in /r/backcoin.
Here is the PoS 2.0 white paper that should put the "nothing at stake" concerns to rest
Donations here:
- BC: BTfqh99d8DcKWrd4hFYLR7D2bAYDdAKV3Q
- BTC: 1MAGvdGMCAaJysMBgA5uFRBUFQ25AkUWQV
- LTC: LSGPviYMYmgF2RiXVuXG1U4iVz3drk3JvR
- Doge: DNkmhknWWx6ogrHaTy9X2SLft9ouwhCNs1
Paypal: http://www.blackcoin.co/donate
Great, I've already read some good ideas lasts weeks so I'm going to write mine in here.
I recently had to install a Linux wallet and was very stunned that the software downloaded is not working out of the box even though I'm using one of the most used Linux desktop (Mint 17 64bits). After getting some help, I managed to compile my own wallet, which is now running fine in my computer.
.1. It would be great that the linux wallet available for download from http://www.blackcoin.co would work out of the box because many newcomers might not be comfortable enough in the terminal.
Maybe we need a link for Ubuntu (and clones), RedHat rpm, each in 32 and 64bits, tested and known to work out of the box.
.2. For Ubuntu it would be great to have a ppa for easy install with "apt-get install" command too and be listed inside the ubuntu software lst so customers only have one click to install the linux wallet direct from ubuntu store ! :-)
Since we have had this nice pop this afternoon backup to 25 k on high volume and gone backup to #9 in market cap, Mintpal is likely to quickly agree. This is especially true, since they now have 4 times the volume in BC as Cryptsy has and BC is their most profitable coin. It has their highest volume. .
You should thank them for their contribution to getting BC on Coinkite. See link below. You should indicate that, if Mintpal and BC can continue to forge a relationship that helps BC move up, Blackcoiners are likely to stick with them when one of the bigger exchanges adds blackcoin.
These kinds of campaigns are much more effective if everyone writes their own email, rather than, if everyone just copping someone else’s.
Welcome!
Use the official wallet at Blackcoin.co
There are a few pretty awesome community projects happening, buy coins while they're cheap! Price is lower than usual right now.
Actually that news page is a bit outdated. http://www.blackcoin.co/mining/the-end-of-the-blackfriday-promotions-and-what-is-next/
Also the stats page on blackcoinpool are currently not working and the KNC miner promotion has been delayed few days to get the new version of the pool with working stats up first.
https://twitter.com/CoinBlack/status/461785350575505408
tl;dr Poolstats and KNC promotion up by 5:th of May
I agree. I recently decided to try a couple of altcoins to see what kinds of innovations are in progress.
I have to say, once I experienced the speed of BlackCoin, Bitcoin suddenly felt like dial up internet!
Have a look at: http://www.blackcoin.co/mining/blackfriday-the-official-launch-of-blackcoinpool-bonus-details/
Get your miners ready, the new pool launches the 4th of April, around 18:00 EST – 23:00 GMT. All shares delivered from 0:00 EST – 5:00 GMT will be counted towards the #BlackFriday promotion, right after last days payouts.
This was addressed in Blackcoin's PoS 2.0 implementation. This is copied from the whitepaper addressing this exact issue:
B. Changing the Stake Modifier In order to mitigate the possibility of the pre-computation attack, the stake modifier will be changed at every modifier interval – to better obfuscate any calculations that would be made to pinpoint the time for the next proof-of-stake.
Please refer to this link: http://www.blackcoin.co/blackcoin-pos-protocol-v2-whitepaper.pdf for some further reading on all of the improvements to come from this version.
I reread the whitepaper and found the comment that I was referring to:
>... Thus, taking out the coin age will require all nodes to be online more to get their stake reward. Saving up coin age is no longer a possibility with the new system that calculates the chance of staking as follows:
This line can be found nearing the end of the first column of the last page of the whitepaper - located here
Hi and welcome wtfbitcoinwtf! There are definitively other PoS coins that have been out longer, however BlackCoin was the first coin to go fully PoS. For a basic understanding of BlackCoin, I'd recommend checking out the main website which has just had a revamp http://www.blackcoin.co and is much more informative.
We also had a similar thread yesterday with a bit of info that also might help you out http://www.reddit.com/r/blackcoin/comments/279css/new_to_blackcoin/
Hope that's a good start!
Wow I was totally wrong then. Nevertheless, sounds interesting. The transaction speed alone is such a great feature. I wish cryptos had 10 minute confirmations, it's anything between 20 minutes to several hours. And people are claiming it's instant, it's far from it. Faster than banks (~1 business day) still though.
Holy shit I forgot about Coinkite. That sounds awesome. Do you have confirmation from them that they're gonna do this?
Pretty cool all in all, I'll stick around :)
edit: Found an article. Pretty exciting stuff. If the transaction is really killer fast, I can see it gaining ground purely based on that fact. A retailer may be more inclined to use BC because the transaction will go through way faster. Any idea of how widespread Coinkite is at the moment?
I use Mintpal to do Blackcoin trades. Then you can send to your wallet address. Once you have BC in your wallet, you can encrypt your wallet, but to stake, you'll need to have it unlocked. For more info go to: http://www.blackcoin.co/faq/ and check out http://www.dailyblackcoin.com/ for to date news
Oh quick feedback on the new theme, the links in the text are very similar to ordinary text:
So when I put the link in url tags like Blackcoin it is easy for a skimming reader to miss. It's just slightly too subtle.
Maybe this idea could be a proposal for a Blackcoin project to follow on http://www.blkfeed.com/blk
It would be great that the linux wallet available for download from http://www.blackcoin.co would work out of the box because many newcomers might not be comfortable enough in the terminal. It would be great to have a ppa for easy install with "apt-get install" command too and be listed inside the ubuntu software lst so customers only have one click to install the linux wallet direct from ubuntu store ! :-)
This should tell you more about Blackcoin. http://www.blackcoin.co/
Honestly I haven't been paying attention to where Blackcoin is accepted, however they are developing a decentralized currency exchange for transactions called BlackHalo (http://blackhalo.info/).
Blackcoin is one of the wallets available on VoS.
If the criteria is more advanced than bitcoin, I would go with Blackcoin http://www.blackcoin.co Proof of Stake (goodbye 51% attacks), lots of developers, 30 second confirmation, 1 minute blocks, difficulty calculation every block, 1% yearly interest, wallets on multiple platforms. Some call it Bitcoin 2.0
I've updated the website:
I've heard this is much better! :)
If anyone else has good suggestions though, and can webdev those suggestions (im really not design/front dev).. hit me up.
no, it isn't the blackhalo wallet which doesn't work, but my normal blackcoin wallet.
I mean i can use blackhalo wallet, but i can't open my normal blackcoin wallet from http://www.blackcoin.co/ where my coins are in.
Go to http://www.blackcoin.co then click "getting started" on the left menu. You have the choice of keeping your coins in a local wallet or an online wallet. If you want to stake your coins for interest, you will need the local wallet.
Next you will need to buy some Blackcoin. If you don't already have BTC, you can buy some through the fiat exchanges. I personally use Coinbase to buy BTC, but I believe Prelude.io actually allows direct conversion of fiat to BC. Then use that BTC to buy Blackcoin on Mintpal. There are other exchanges, but Mintpal tends to have the most Blackcoin liquidity.
As for actually buying things using Blackcoin, that's an ongoing effort. I'm hoping BlackHalo turns into a sort of decentralized craigslist where you can buy and sell things using Blackcoin. I'm not sure how up to date this is, but go to http://blackcoinmap.com for a list of businesses that accept Blackcoin directly.
(I'm no expert) I think mining would have to be encouraged on a voluntary basis to protect the network in case of a 51% attack.
Black coin did well out of it, but I think we have a better community that they did. We'd earn coins just by keeping our wallets open, and most important, full of coins ^.^ hehe
Awesome idea! Support it 100%, just a small suggestion... there will be videos & pictures all around the web about Wall Street takeover, SO PLEASE, print a QR code on the girls Tshirts!! directing users to http://www.blackcoin.co/ . This should increase visitors/conversions to the website, and potentially new investors! :)
For Scrypt:
250 KH/s – 5 MH/s = 1 Ticket
5 MH/s – 10 MH/s = 2 Tickets
10 MH/s and above = 3 Tickets
For SHA-256:
25 GH/s – 500 GH/s = 1 Ticket
500 GH/s – 2 TH/s = 2 Tickets
2 TH/s and above = 3 Tickets
Well, Moolah had promised to open up Blackcoin for use in their merchant system if BC hit 50BTC volume. Of course the community is gonna do everything it can to meet that goal.
Edit: They got Coinkite now too. Gonna be implemented in a couple months. Pretty big accomplishment for a "scamcoin".
> With the thousands of digital currencies in existence, differentiating what makes one crypto-currency different from another can be a daunting task. However, one of these currencies is generating a lot of buzz throughout the crypto-community.
Lol, often they're not that different.
> Why is BlackCoin different? Aside from its annual interest rate, which is compounded daily, BlackCoin’s use of the proof-of-stake method impedes the effectiveness of a malicious attack on the network. BlackCoin also holds the title of one of the fastest digital currencies in existence, with transaction times taking no longer than 10 seconds to complete. The sheer speed of BlackCoin coupled with its inherently secure features makes it one of the most attractive on the market in respect to point-of-sale transactions. This means that the digital currency could prove to be more useful for small businesses, along with brick-and-mortar merchants than other alternatives currencies in which confirmations can take up to 10 minutes or longer.
Durrr.. Completely ignorant about the side effects of speeding shit up. The website doesnt mention this, so i assume they fucked it up.
just saw this posted in IRC :-(
<Soepkip> http://www.blackcoin.co/statement/regarding-payouts-bcmultipool-com/
the good news is that the devs who are taking over the pool sound confident. There was a mention they may start internal testing soon.
PoS has not YET been implemented. It will be implemented shortly!
Read post @ Feb27,2014: http://www.blackcoin.co/blog/
"PoS should be kicking in very soon now."
When you coins have reached maturity for PoS, it will then be listed as PoS coins. If you have held ALL coins > than 8hrs, than your stake should = your balance.
Hope that helps a bit!