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Author Topic: [ANN][CLAM] CLAMs, Proof-Of-Chain, Proof-Of-Working-Stake, a.k.a. "Clamcoin"  (Read 1148587 times)
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BayAreaCoins
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December 28, 2017, 08:32:32 AM
 #8441

Are they still giving free CLAMs?

yes, forever.


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Yanakitu Tenatako
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December 28, 2017, 01:41:53 PM
 #8442

Maybe it is obvious, but not to me...

How can I encrypt my wallet with clams.
I am considering security issues.

Tnx

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December 28, 2017, 11:06:23 PM
 #8443

Maybe it is obvious, but not to me...

How can I encrypt my wallet with clams.
I am considering security issues.

Tnx

You can't stake with an encrypted wallet FYI.


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Yanakitu Tenatako
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December 28, 2017, 11:24:36 PM
 #8444

TY BayAreaCoins.

Still I am concerned about open wallet issues.

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December 29, 2017, 12:09:33 AM
 #8445

TY BayAreaCoins.

Still I am concerned about open wallet issues.

Then encrypt it Tongue


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December 29, 2017, 05:25:03 AM
 #8446

I was wondering... can I create raw tx by handmade manually and use unsynced clams client to sign it?

I believe so.

what I mean by handmade is by using 'createrawtransaction' and supplying parameter based on data I get from explorer
would the wallet qt accepts and create the hex even if the inputs are not seen locally in my wallet?

Yes. You can supply information about unknown transactions in the 2nd argument to 'signrawtransaction'.

and then use just-dice pushtx to broadcast it to the network? or can I broadcast it myself with my unsynced wallet?

I tried doing this earlier today with the dogecoin client. Someone had converted their Just-Dice CLAM deposit address to a DOGE address and sent some DOGE there, thinking for some reason that the site would convert it to CLAMs. What happened was nothing, and the DOGE just sat there. He made a ticket asking for them back, and I was able to create and sign a raw transaction in my out-of-date DOGE client using just information from a DOGE block explorer (and, of course, the private key). When I tried to broadcast the transaction using my unsynced DOGE client it told me:

Code:
error: {"code":-25,"message":"Missing inputs"}

so I had to use an online transaction broadcasting site - and that worked.

So I would guess that using your unsynced CLAM client also won't work for broadcasting the tx, but using the just-dice pushtx page will work.

next step... I might even try to create/fork coinb.in for clams if it is possible  Wink
thanks in advance for your answers Grin

Here's how I did the DOGE thing:

1. on the Just-Dice hot wallet, I extracted the private key of the user's CLAM deposit address:

p=$(clamd dumpprivkey $depost_address)

2. on my laptop I used a script to convert the CLAM private key to a DOGE private key. You won't need to do this, since the CLAM client accepts BTC private keys natively I think:

d=$(~/Source/Python/clampriv.py $p | grep DOGE | awk '{print $2}')

3. Create and sign a raw transaction:

dogecoind signrawtransaction $(dogecoind createrawtransaction '[{"txid":"b9e37a2fd9403fe4c893fd414757dcf5d85d9a22066895d5931ea13b2b774ca2","vout":1}]' '{"XXX":554.77419355}') '[{"txid":"b9e37a2fd9403fe4c893fd414757dcf5d85d9a22066895d5931ea13b2b774ca2","vout":1,"scriptPubKey":"76a91459646c4f28260793d958b9c46c5cb78aa9a4616388ac"}]' '["'$d'"]'

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December 29, 2017, 05:29:08 AM
 #8447

There many exchanges where CLAM wallets not works for long time (few weeks)! It is Polonex, Cryptopia, YoBit.
As well, CLAM delisted from integrated in coinomi exchange and You Can't exchange on ShapeShift CLAM anymore! No any comments from support.
Not any explanation I can found anywhere
[...]
So, I hope the  CLAM team will do something about situation and post here some updates about progress with exchanges.

So exchanges are having problems with the CLAM wallet but won't tell anyone what problems they are having.

What do you want the CLAM team to do about that? I have tried talking to poloniex about their issues but they won't reply to me.

I hear that xploited has a new version of the CLAM client almost ready to go. It's based on a much newer version of Bitcoin Core, so should be better at syncing the chain.

I suspect that a lot of the problems the exchanges are having is due to receiving tens of thousands of dust payments from a faucet. The wallet software really doesn't deal well with receiving so many deposits. At Just-Dice I configured the wallet to simply ignore any deposit less than 0.001 CLAMs, simply by putting

  mininput=0.001

in the clam.conf configuration file. That entirely solved the problem. I would recommend that the exchanges do the same (if they would listen to me).

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December 29, 2017, 05:35:31 AM
 #8448

Signing / Verify an address to claim my clams.

That's not how it works.

To claim your CLAMs you need to sign a transaction using your BTC private keys. There's no mechanism to claim your CLAMs simply by signing a message.

Your CLAM private keys are *the same* as your BTC private keys. You claim your CLAMs in exactly the same way as you spend your BTC - by signing a transaction using your BTC private key.

I have some old paperwallets that are still in use, so I'd rather not expose any information outside of a signed message, using an offline computer running brainwallet software.

Signed messages aren't going to help you.

What you could do:

1. download the CLAM client on your online machine
2. run it, and let it sync up to at least block 10,000
3. shut it down, and copy the client and the whole CLAM data directory onto your offline machine
4. on the offline machine, import your BTC private keys; let it rescan the first 10k blocks
5. on the offline machine, create a transaction that spends your CLAMs; maybe to your exchange deposit address
6. on the offline machine, 'getrawtransaction <txid>' to get the raw transaction data
7. copy the raw transaction information to the online machine
8. on the online machine, 'sendrawtransaction <raw hex>' to broadcast it to the network

That way you've not exposed your private keys to anything other than the offline machine.

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December 29, 2017, 05:36:14 AM
 #8449

Are they still giving free CLAMs?

The CLAMs were given out years ago. You can claim them whenever you like.

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December 29, 2017, 06:02:59 AM
 #8450

How can I encrypt my wallet with clams.
I am considering security issues.

Command line:

  clamd encryptwallet <passphrase>

GUI:

  Misc -> Encrypt Wallet

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Yanakitu Tenatako
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December 29, 2017, 01:47:19 PM
 #8451

How can I encrypt my wallet with clams.
I am considering security issues.

Command line:

  clamd encryptwallet <passphrase>

GUI:

  Misc -> Encrypt Wallet

Is it going to disable staking rewards?

Thank you Dooglus.

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December 29, 2017, 07:32:54 PM
 #8452

Is it going to disable staking rewards?

You can't stake if the wallet is encrypted and not unlocked.

You can unlock it "just for staking".

RPC:

    walletpassphrase <passphrase> <timeout> [stakingonly]
    Stores the wallet decryption key in memory for <timeout> seconds.
    if [stakingonly] is true sending functions are disabled.

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shaifulhafizal
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December 30, 2017, 07:19:09 AM
 #8453

hello, i just download clam wallet Windows 1.4.17 64.. after wallet complete sync. i create some address. xPBHcqCd4tJE4tXSNxVZh2HACCF6ckgwzX.. i check at http://www.khashier.com/address/xPBHcqCd4tJE4tXSNxVZh2HACCF6ckgwzX is got some msg say Address not seen on the network. how to i fix ?
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December 30, 2017, 11:03:19 AM
 #8454

Address not seen on the network. how to i fix ?

Only transactions are broadcast to the network, therefore only those addresses referenced in transactions are “seen” by the network.

Cheers

Graham
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December 30, 2017, 10:38:13 PM
 #8455

Is it going to disable staking rewards?

You can't stake if the wallet is encrypted and not unlocked.

You can unlock it "just for staking".

RPC:

    walletpassphrase <passphrase> <timeout> [stakingonly]
    Stores the wallet decryption key in memory for <timeout> seconds.
    if [stakingonly] is true sending functions are disabled.


Dooglus, thank You.
One more question, unlocking for staking is valid for some time or until wallet is closed?

I am considering to put 5 btc on staking (in Clam of course) for long time.
Safety is very important for me.

Am I safe if wallet.dat is stolen and encrypted (but unlocked for staking only).




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December 30, 2017, 11:03:18 PM
 #8456

hello, i just download clam wallet Windows 1.4.17 64.. after wallet complete sync. i create some address. xPBHcqCd4tJE4tXSNxVZh2HACCF6ckgwzX.. i check at http://www.khashier.com/address/xPBHcqCd4tJE4tXSNxVZh2HACCF6ckgwzX is got some msg say Address not seen on the network. how to i fix ?

Once you have coins on your address it will be seen by the network.


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December 31, 2017, 03:48:22 PM
 #8457

heard a few complaints about yobit not withdrawing clam requests. any news on this?


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January 03, 2018, 09:04:30 AM
 #8458

Signing / Verify an address to claim my clams.

That's not how it works.

To claim your CLAMs you need to sign a transaction using your BTC private keys. There's no mechanism to claim your CLAMs simply by signing a message.

Your CLAM private keys are *the same* as your BTC private keys. You claim your CLAMs in exactly the same way as you spend your BTC - by signing a transaction using your BTC private key.

I have some old paperwallets that are still in use, so I'd rather not expose any information outside of a signed message, using an offline computer running brainwallet software.

Signed messages aren't going to help you.

What you could do:

1. download the CLAM client on your online machine
2. run it, and let it sync up to at least block 10,000
3. shut it down, and copy the client and the whole CLAM data directory onto your offline machine
4. on the offline machine, import your BTC private keys; let it rescan the first 10k blocks
5. on the offline machine, create a transaction that spends your CLAMs; maybe to your exchange deposit address
6. on the offline machine, 'getrawtransaction <txid>' to get the raw transaction data
7. copy the raw transaction information to the online machine
8. on the online machine, 'sendrawtransaction <raw hex>' to broadcast it to the network

That way you've not exposed your private keys to anything other than the offline machine.

I made as you describe but when I insert in the console my BTC address private key it says that it's not a valid private key (error -5).
I write importprivkey <privatekey>
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January 03, 2018, 03:06:18 PM
 #8459

Dooglus, thank You.
One more question, unlocking for staking is valid for some time or until wallet is closed?

I am considering to put 5 btc on staking (in Clam of course) for long time.
Safety is very important for me.

Am I safe if wallet.dat is stolen and encrypted (but unlocked for staking only).

I can't answer for sure but I'd say the decryption happens in memory only, not "on disk", so your wallet.dat file will still be encrypted.

But there are two other security concerns I can think of, which apply if the attacker has control over your computer (rather than something less sophisticated like stealing your wallet.dat via an accidental network share)

1. A key logger. This will give the attacker your password as you type it.

2. If the attacker can read arbitrary memory locations, they may be able to locate the decrypted private keys that are necessary to stake.

If you're going to invest 5 BTC it may be worth considering building a custom machine. Lock it down tight, and only allow outbound connects on the CLAM port. Disallow everything else.
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January 04, 2018, 03:14:31 PM
 #8460

Dooglus, thank You.
One more question, unlocking for staking is valid for some time or until wallet is closed?

I am considering to put 5 btc on staking (in Clam of course) for long time.
Safety is very important for me.

Am I safe if wallet.dat is stolen and encrypted (but unlocked for staking only).

I can't answer for sure but I'd say the decryption happens in memory only, not "on disk", so your wallet.dat file will still be encrypted.

But there are two other security concerns I can think of, which apply if the attacker has control over your computer (rather than something less sophisticated like stealing your wallet.dat via an accidental network share)

1. A key logger. This will give the attacker your password as you type it.

2. If the attacker can read arbitrary memory locations, they may be able to locate the decrypted private keys that are necessary to stake.

If you're going to invest 5 BTC it may be worth considering building a custom machine. Lock it down tight, and only allow outbound connects on the CLAM port. Disallow everything else.

Hi experts,

Hope someone can help clarify a few questions I have here:

1. What's a good reliable exchange to convert dogecoins to clams? I know shapeshift.io allows this conversion but reading the last 26 pages, there were a few concerns raised on shapeshift.io being "spotty", and transactions actually go via poloniex (? correct me if I'm wrong) which recently reduced trading capabilities on clams (margin trading I believe).  So this doesn't really illicit a lot of confidence.

2. Regarding the quote above, does it mean it's not advisable to simply keep the qt client open for staking on a normal PC?  How do the regular clam holders do it? I believe security is a concern for everyone so this should be important to address (thanks to the original poster of the question).

Thanks.

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