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Author Topic: [ANN][KMD][dPoW] Komodo - An Open, Composable Smart Chain Platform, Secured by B  (Read 1146866 times)
KomodoPlatform
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October 21, 2016, 08:17:10 PM
 #1881

More info about the trusted setup / parameters

https://z.cash/blog/generating-zcash-parameters.html

Quote
To reduce risk, Zcash has designed a multi-player protocol where pubkey will be generated. The protocol has the property that privkey now corresponds to the concatenation of all participants' secret randomness. Thus, privkey will be destroyed unless all of the participants are dishonest or compromised.

Might I enquirer as to who the participants will be? Will it be the three ICO fund holders or others? Also how do you (will you) prove that the priv key is destroyed, or rather even easier just one piece of it? Is this done on camera? or will witnesses be present?

[Not trolling, just really interested]

Hello!

Like previously stated, we won't create those parameters ourselves, but rather use the parameters created by Zcash. We could never do the process as securely as they do.

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October 21, 2016, 11:41:43 PM
 #1882

On the knomodo election site is says positions for Europe have been filled, but how can they be filled before the election has happened?
there are currently more nodes in europe than everywhere else combined. So that means the election process will be very competitive. You are certainly free to become a candidate in Europe, but better to run unopposed anywhere else.

we get more geodiversity and you would have a much higher chance of being elected

understood, thanks james

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October 22, 2016, 02:51:11 PM
 #1883

for those that missed out on the 25% bonus. you can get it by buying btcd before it rises to 532k sats
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October 22, 2016, 02:58:09 PM
 #1884

dev - what's the plan to use the BTC funds raised in ICO?

And also how the development funds (in Komodo tokens) - will they be sold in the market after some time?
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October 22, 2016, 03:01:55 PM
 #1885

ICO bonus decreases to 15% in 24 hours.



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October 22, 2016, 03:42:10 PM
 #1886

dev - what's the plan to use the BTC funds raised in ICO?

And also how the development funds (in Komodo tokens) - will they be sold in the market after some time?

First and foremost we must ensure the dPoW has enough funding for 10 years or so. This is the most important thing, and if we must we will limit the development expenditure in order to ensure that happens. We have to have enough funding reserved for it to guarantee to the third party blockchain we are able to continue to provide the service. Of course also the SuperNET's assetchains require dPoW to function.

Basically what this means is that the more funding we receive the more we can allocate to development & bigger team.

Bounties will be primarily paid in KMD, so that's where part of the 10 % supply is used. There are no exact plans on how to use them, but it would make sense to primarily use them as KMD. When we would have to pay in BTC we can use the raised ICO funds.

More info about ICO funds and their use by jl777
https://bitcointalk.org/index.php?topic=1605144.msg16175597#msg16175597
https://bitcointalk.org/index.php?topic=1605144.msg16624603#msg16624603

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October 22, 2016, 04:11:01 PM
 #1887

5% APR

This is one of the characteristics of BTCD so part of KMD requirements. BTCD used the peercoin utxo staking method. What that means is it added a required timestamp field to transactions and staking required spending an old utxo and creating a new one (usually two). So this leads to every increasing amount of work that is needed to do and also adds a lot of transactions to the blockchain.

With KMD's underlying block generation being equihash PoW, to add a utxo staking would require essentially recreating the peercoin PoS changes.

Nothing against the peercoin method, but for KMD with the notary nodes generating blocks using a modified zcash round-robin PoW, I wanted a more efficient way to deal with the 5% APR. I saw how siacoin awarded siafund interest when you spent it, which seemed a much more efficient method as it didnt take any blockchain space, nor did it need any continuously increasing amount of calculations.

of course, making such a change to the zcash codebase is easier said than done. All places that need to know how much is being spent needs to be adjusted to account for the accrued interest. Finding all such places wasnt easy and still not sure I found them all, but I got the basics working with the latest version.

To avoid creating a fork, it is just displaying the accrued interest now. Once all the various places are showing the identical values, then I can enable actually creating the coins to match the accrued interest. Since the txfee is calculated as (Sum(inputs) - Sum(outputs)), by increasing the effective amount of the inputs it would increase the txfee. So, in addition to boosting the input sum, all the places that creates transactions needs to be adjusted. That way, the amount paid for txfee will match what the sender wanted to and the value of the interest obtained.

To avoid awarding interest on dustlike outputs, I set the threshold to 1.0 KMD to be eligible for getting interest. Interest is paid by each minute, using the nLockTime of the transaction against the nTime of the previous block. No need to worry about people iterating sends to themselves each block as the txfee will eat up most of the interest if the timeframe is small.

People familar with bitcoin protocol will exclaim "most transactions dont have nLockTime set! and even if they did, there is no assurance it wasnt set arbitrarily in the past"

At least, that is what I thought at first. Then I realized that I could add a constraint that if nLockTime is set to be a timestamp, then it needs to be within some reasonable gap from the current time. current time as defined by the chaintip's nTime so we can get consensus on all interest calculation durations. By using nLockTime, it makes it a field that is somewhat useful and instead of being almost always 0, it will be a useful timestamp for all tx.

If anybody sees any issues with actually using nLockTime as a transaction timestamp, let me know. If it is used as a block height, then it wont earn interest, but that is a special case usage. For transactions that use the nLockTime actively, like the DEX protocol, the locktime is set to a near future value, which will still start the interest accruing from that point in time.

I changed the wallet to add a timestamp that is based on the chaintip's nTime so by sending funds to yourself you can create a transaction that will start earning interest. then using listunspent or other RPC, you can see the accrued interest. its cool how it keeps increasing each minute, even though it is just satoshis.

from listunspent:
    {
        "txid" : "bf0876b211c1abc3b1f9f5c1a129d81e2b6b070c112ddffe7971ab82d3b309fe",
        "vout" : 0,
        "address" : "RNJmgYaFF5DbnrNUX6pMYz9rcnDKC2tuAc",
        "account" : "",
        "scriptPubKey" : "76a9148ee61a3161993f4f7b7081259bf5f3322d65d3f888ac",
        "amount" : 1.00000000,
        "interest" : 0.00011876,
        "confirmations" : 1225,
        "spendable" : true
    },

from getrawtransaction:
    "vout" : [
        {
            "value" : 1.00000000,
            "interest" : 0.00011904,
            "n" : 0,
            "scriptPubKey" : {
                "asm" : "OP_DUP OP_HASH160 8ee61a3161993f4f7b7081259bf5f3322d65d3f8 OP_EQUALVERIFY OP_CHECKSIG",
                "hex" : "76a9148ee61a3161993f4f7b7081259bf5f3322d65d3f888ac",
                "reqSigs" : 1,
                "type" : "pubkeyhash",
                "addresses" : [
                    "RNJmgYaFF5DbnrNUX6pMYz9rcnDKC2tuAc"
                ]
            }
        },
    "confirmations" : 1228,

from gettxout:
{
    "bestblock" : "012d0a5510ac52d8bd0eacf81cd6dd2d6907233e0b0fb0c983d90cebf475cf8c",
    "confirmations" : 1293,
    "value" : 1.00000000,
    "interest" : 0.00012224,
    "scriptPubKey" : {
        "asm" : "OP_DUP OP_HASH160 8ee61a3161993f4f7b7081259bf5f3322d65d3f8 OP_EQUALVERIFY OP_CHECKSIG",
        "hex" : "76a9148ee61a3161993f4f7b7081259bf5f3322d65d3f888ac",
        "reqSigs" : 1,
        "type" : "pubkeyhash",
        "addresses" : [
            "RNJmgYaFF5DbnrNUX6pMYz9rcnDKC2tuAc"
        ]
    },
    "version" : 1,
    "coinbase" : false
}

I could have gotten this implemented in iguana in just a few hours, but I am still in the process of getting familiarized with the bitcoind C++ code, so that explains why it took me so long to add accrued interest and still it isnt in all places that are needed. When we can verify that the interest is being displayed properly in all places, we can deploy a hardfork that actually awards it. Not sure when that will be, the last hardfork created a fair amount of confusion, so I want to minimize the number of these we do, even if it is just for "testnet"

So, it seems I am ahead of schedule and I hope people wont mind if I take the rest of the weekend off.




http://www.digitalcatallaxy.com/report2015.html
100+ page annual report for SuperNET
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October 22, 2016, 05:11:15 PM
 #1888

Komodo Dev Blog: How to Implement 5% APR.


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October 22, 2016, 05:46:25 PM
 #1889

for those that missed out on the 25% bonus. you can get it by buying btcd before it rises to 532k sats

Yea its better to invest with BTCD now instead of BTC. It may rise but it may also fall further. We have a long time till the ICO is finished Smiley

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October 22, 2016, 08:48:38 PM
 #1890

The ICO is going great .Many participants are hoping Komodo that its long term plan would make them stable.
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October 23, 2016, 07:51:42 AM
 #1891

The ICO is going great .Many participants are hoping Komodo that its long term plan would make them stable.


how to join komodo ico??? i tried the site but register not working
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October 23, 2016, 08:09:45 AM
 #1892

how to join komodo ico??? i tried the site but register not working


@KomodoPlatform posted the following troubleshooting a few days ago, you can try this:

Troubleshooting

Our ICO site gives no feedback or confirmation email, so it might seem like it is not working. We are fixing these issues, and they should be done by midnight. We are also going to ad a 2FA feature.

Another thing is that the login process can take quite a while, so just wait patiently and it should work.

If you:
 - Can't access site --> Change DNS to google ones (8.8.8.8 ect)
 - Can't register --> Takes a while and doesn't give feedback right now.
 - Sign in --> Even if registering seemed to have failed, just try logging in and wait for 30 seconds or more. Should work then.

If you are still having problems You need to do this: flush DNS


◈▣ KOMODO ● Set Your Ideas Free ▣◈
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Blockchain Generator | Decentralized Crowdfunding | Decentralized Exchange | Bitcoin Security | Zero-Knowledge Proofs | Blockchain Interoperability | Scalable Infrastructure
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October 23, 2016, 08:12:04 AM
 #1893

The ICO is going great .Many participants are hoping Komodo that its long term plan would make them stable.


how to join komodo ico??? i tried the site but register not working

Same happen to me in the first day too  Grin
But don't worry, because you already registered in the system, if you already click the Register button below.

So try to login now with your email & password you had registered....you will able to login now  Grin



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October 23, 2016, 08:13:16 AM
 #1894

how to join komodo ico??? i tried the site but register not working


@KomodoPlatform posted the following troubleshooting a few days ago, you can try this:

Troubleshooting

Our ICO site gives no feedback or confirmation email, so it might seem like it is not working. We are fixing these issues, and they should be done by midnight. We are also going to ad a 2FA feature.

Another thing is that the login process can take quite a while, so just wait patiently and it should work.

If you:
 - Can't access site --> Change DNS to google ones (8.8.8.8 ect)
 - Can't register --> Takes a while and doesn't give feedback right now.
 - Sign in --> Even if registering seemed to have failed, just try logging in and wait for 30 seconds or more. Should work then.

If you are still having problems You need to do this: flush DNS


i already receive email about registration...but now im getting invalid password..initiate new password does not respond...
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October 23, 2016, 09:32:26 AM
 #1895

for those that missed out on the 25% bonus. you can get it by buying btcd before it rises to 532k sats

Yea its better to invest with BTCD now instead of BTC. It may rise but it may also fall further. We have a long time till the ICO is finished Smiley
I dont have BTCD.Is it okay if I buy it and send it immediately to ICO address from exchange?Will it be okay
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October 23, 2016, 09:42:26 AM
 #1896

for those that missed out on the 25% bonus. you can get it by buying btcd before it rises to 532k sats

Yea its better to invest with BTCD now instead of BTC. It may rise but it may also fall further. We have a long time till the ICO is finished Smiley
I dont have BTCD.Is it okay if I buy it and send it immediately to ICO address from exchange?Will it be okay


No, the ICO is only for Bitcoin investors. For BTCD holders there's a special swapping procedure that will take place after ICO.

◈▣ KOMODO ● Set Your Ideas Free ▣◈
.......AN ECOSYSTEM FOR NATIVE BLOCKCHAINS.......
Blockchain Generator | Decentralized Crowdfunding | Decentralized Exchange | Bitcoin Security | Zero-Knowledge Proofs | Blockchain Interoperability | Scalable Infrastructure
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October 23, 2016, 09:48:03 AM
 #1897

Komodo Newsletter: The Development is Advancing!



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October 23, 2016, 10:05:55 AM
 #1898

for those that missed out on the 25% bonus. you can get it by buying btcd before it rises to 532k sats

Yea its better to invest with BTCD now instead of BTC. It may rise but it may also fall further. We have a long time till the ICO is finished Smiley
I dont have BTCD.Is it okay if I buy it and send it immediately to ICO address from exchange?Will it be okay


No, the ICO is only for Bitcoin investors. For BTCD holders there's a special swapping procedure that will take place after ICO.

Will btcd all swap to kmd? So it is compulsory to swap?    Shocked Shocked
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October 23, 2016, 10:42:48 AM
 #1899

for those that missed out on the 25% bonus. you can get it by buying btcd before it rises to 532k sats
How can I participate in ICO? I checked https://komodoplatform.com/ but there's no sign up link for ICO.How and where can I get btc address for ico.There's no information in op regarding this as well

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October 23, 2016, 10:48:41 AM
 #1900

for those that missed out on the 25% bonus. you can get it by buying btcd before it rises to 532k sats
How can I participate in ICO? I checked https://komodoplatform.com/ but there's no sign up link for ICO.How and where can I get btc address for ico.There's no information in op regarding this as well

on home page of https://komodoplatform.com/ if you see a button with text "Enter the ICO site", click it.

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