I think this is typo and you mean hash rate.
YAcoin network hashrate chart.
5. Sep drop is of course due to Nfactor change from 15 to 16  what naturally drops  hash rate.

Here YAC difficulty chart

N factor change itself do not perhaps explain all whole 5th September drop in Network hash rate.  There is perhaps also some mining hardwares  what have difficulties with N16 but still works well with lower N factor so they have better profit example with some N14 coin.

Here is valid UTC address Private key. (never used random generated using UTC qt wallet.)
W7t2tqKSfmW1xnXrCrzSmSxjFHG8EmskHs3gKQtupFiHwv7QJU9i

Now if try use this Universal Paper Wallet Generator  (Wallet details, "Enter Private Key (any format)" ) it tell that it is not valid Private key.
All bulk wallet generators with other coins do not have this problem. They can (and need) always produce public from normal format Private keys.
Also 7 starting Private keys what this universal generator itself produce .. same result: "not valid Private key"
(very nice feature for wide use for shake peoples mind)


Other thing: There is also link to "Ultracoin wallet generator." but this link do not work. ( http://paperwallet.ga/UltraCoin/ )

I hope UTC dev team do also dedicated paper wallet, or least bulk wallet generator just for UTC for avoid any hassle in spread use for different skills equipped peoples.

Also perhaps it can try if they add UTC supported. This looks quite good and also somehow better finished work.  http://walletgenerator.net/
Perhaps UTC dev team can send all needed data and inquiry  so that they can add UTC to supported coins list.

Amazing, now it works and yesterday and earlier today I try many many times and with several addresses.. Always answer  "Address not seen on the network." also for addresses what have been used longer time.

Now it works just perfect. 

Are there something wrong with Ultracha.in - ultracoin block Explorer. (this is on the 1st page.)

It returns "Address not seen on the network."

And 100% sure these addresses what I have tried have balance.

Are there some other blockchain  Explorer available?



(least I need it because I use cold adresses for holding  but it is nice if these can check also with Explorer)

Also I'm very surpriced it looks like there is not bulk address generator ("paper wallet")

(of course qt-wallet can use for generating bulk cold addresses awith privkeys, but this method is slow and not so nice and not for total noobs (using wallet in offline Computer and after get enough addresses with privkeys  then delete whole wallet with all data)

They protect some insiders business? Wallets do not work but still happy buy-sell business run and coin value rise but protected so that from outside to markets can not flow more UTC's.

More bad is that possible  some peoples was informed before this situation. This looks very dirty game. And all this is possible because in cryptocoins world there is no any real rules and no one can go to Cryptsy and start check what is going on there and who get insider information and who not. Who you can trust in this game. Coin dev team or cryptsy insiders or who?

If they are honest they suspend UTC exchance immediately and for as long as deposit and withdrawal are closed. This kind of closed markets what happend now is not good at all in long run. And who can later trust anything because this may happend agen.


Edit/Add:
It need also think that (I do not mean Cryptsy) somewhere may be also peoples and groups who do not like this kind of technically very advanced coins and want push these down. One reason is perhaps that if peoples go more and more to this kind of very advanced cryptocoins, it is not so nice for these peoples who make business with asics and this business is not very small.

Finding gold nuggets is difficult and hard work. If you have done this work and after then you know place where you can pick up free gold nuggets do you tell this exact place to everyone?
Perhaps is better to guide peoples to other place and then self pick up this gold. This is perhaps why you can find mostly poor or even disinformation.

There is Thirtybird's guide how to do this "finding" work for settings but this  need study and some hard work. Also I want free lounges - but there is no.

Sorry about this kind of joking but here is too silent.

Also it is good to realize (if people is investing to mining hardware) that quite soon N is 17

(and I do not have good settings for R7 240 4Gb for YAC but also I have these GPU's  and today these are not in use just because so much troubles and time is money so I stop knock my head to woods and change to Cuda GPU's (instead of Open GL) and after 1 minute they work perfect without any kind of problems)

"Working on it..."  = Bullshit.  

Status is still: "Our wallet is currently offline while we perform system maintenance. "

I'm surprised how much time they need for this work.

Answersd to these tickets are just bullshit. Who answer tickets do not know nearly anything what is really going on.

But nice place for Craptsy insiders to play some game with coins.

There are also nice amount of many peoples deposits on the way.   Example I have deposited and now can not use these coins and they are not in my  wallet and not in Craptsy useable balance.

(if) Someone do this kind of craptsy work in real life with fiat money in some exchanges   there rise really  big noise. But it looks like there is not rules about "quality of services" in cryptocoins world.

--> Mintpal

It depends...

4-4.5 kh/s   (as long as N=14)

Sapphire toxic R9 280x  with YACMiner (3.5.0-yac2) and  only small amount OC  4.37 kh/s  (gross)
But real speed (what pool accepted) is somewhere around 4kh/s  depending many things. (checked with pool accepted work and also miner WU over some hours)

I think I need do full clean installation after  change from R9 280x to  R7 240 4Gb (sapphire)

My system is win 7 64

Drivers need change to 13.12   this is clear.



Some more questions

Yacminer and ultracoinminer (latest versions of course):

Do these need  SDK also? And if need, what version exactly. 
(previoussly in R9 280x rigs for N11 coins I have used SDK 2.8 with 3.7.2 "Kalroth's" CGminer )

If there is small rig's    with 4x  R7 240 4Gb  what is recommended system memory. 8G still enough for YAC?

Are there any problems with x1 risers and how much these loose hashing power.
(With Nvidia 750Ti's I have big problems with 1x risers)

Yes, it was experimental "try and look" with these.
I use  750Ti's for YAC and these R9 280X room heaters for UTC )

But how is R7 240 4G for YAC? any opinions?  (and how much affect if use x1 risers)

What kind of (not very expesive) GPU's are now reasonable ok with YAC- Any opinions?

I have nearly allways zero invalid and my efficiency is typically nearly 100%. (and whole pool effiency something like 2-3%)
If I adjust my miner wrong it start rise my invalids. (Nvidia looks more easy to adjust)

Yesterday I try with 4x Sapphire Toxic R9 280x (1x risers!) rig with yacminer. (I have not yet find  how to adjust it due to lack of time for it). It produce lot of invalid. Hash rate in yacminer looks nearly ok but very very rare accepted shares, nearly all works go to garbage. (and this time also in pool my invalids and so also efficiency looks very very bad. So I turn these rigs back to UTC and there these works ok. It looks that N16 is somehow difficult to my R9 280x rig's))

Also CPU mining works now well with N16 (but of course only around 0.140-0.170 khash/s  4core 8 thread i7)

What is going on in  http://yac.coinmine.pl

----------------------------------   
..........Own...............Pool
Valid .......4.................58
Invalid......0................3,222
Efficiency..100.00%......1.76%
----------------------------------

This ihave been typical situation after change to N16

Perhaps some miners have forget change miners settings.
Nearly all (~98%) hashing power go to garbage.

More and more it looks like there is something wrong.
Only open markets seems Poloniex and Comcort.
Example Cryptsy do not have EXE wallet open (deposit and withdraw freezed)
And same with Bittrex.
Situation have been quite long time.

Now wafflepool have:
Coin    Unexchanged    Unconfirmed    Approx Value
execoin    215,337.63932516    508.23727209    0.53961469

All who understand what is EXE coin exchanges situation today and previous times after hardfork understand that there is not markets for this amount without deep drop.
You have gone to trap.
After you dump this amount to  markets price drops. Profit drops. Then network loose miners. And then...(profit estimate is now counted from wrong place (closed markets) where some small players can keep exchange rate good. (because no one can send more coins to markets due to closed deposit in Cryptsy and Bittrex and only onpen is Comcort and Poloniex where is just small markets for small individual miners.

Yes I can buy yours 215k EXE immediately with  0.1 BTC

This is stupid game when big direct BTC profit pool play game with very small market volume coins. (and without enough knowledge what is  coin real situation. EXE network is still disturbed and there is still nodes with wrong fork and dev team looks like impotent to do enything for stop these what are origin from time before hard fork.)

How they have gone to Bittrex and are stuck in there?  How it is possible when bittrex deposit is closed?

How you can not exchange these in other place what are working.

I know why. You have dropped to market volume trap. But more fun is that why still continue EXE mining? Or perhaps machines do it days after days until someone wake up.

Today it arrive to my hand.

As also previously, well packaged, very fast shipped with tracking number.
All exactly as @jakob019 have promised.
Perfect work!

Exellent!

Tnx

Where is working yacoin block Explorer. 

explorer.yacoin.org give only some kind of error message.

Not issue when you dump all unexchanged amount to markets? It need understand even small amount of mined coins market volume and not only profit %. And still you are mining more.  After Bittrex market open, if never open, you need also find someone who want buy these. Your estimate is around 300 satoshi for  one EXE. After you dump ~170k  Exe to markets  this value is highly over estimated. Perhaps you get under 100 satoshi or even less. Or it takes really long long time.

Something have happend and it seems that least gt-wallet sync ok and stay now mostly with 8 active connections. (I have not tested Exelite and other wallets..)





And more good news.

It looks like Comcort is now ok with EXEcoin wallet  (just made one test deposit and it works perfect)

Still waiting Cryptsy (of course exchange there works but EXE wallet  disabled, so can not withdraw / deposit.

But WHY qt-wallet loose sync frequently.

Just import one priv key to wallet and soon it show just ok. After fifteen minutes I look agen and think I send coins to other address. What hell... wallet is out of sync.
348292 and now waiting estimated block number 363763. (Edit: just now 5.50AM GMT)

With different times, different numbers it loose sync. Sometimes restrat help shortly, sometimes it soon return this kind of state when it get more connections.
Now there is one connection and situation is "out of sync" and this totally wrong block count what it is waiting. Where from it get this wrong data?

Agen day what I can not move my coins due to this hassle with sync.

Two days ago I send over 10k EXE and it fails. Wallet tell balance zero after send and block chan Explorer tell coins sit still in  addres and have not moved. After hours waiting and in this time walllet was also later sunc, I stop waiting. (transfer status in wallet was just ?).

I delete wallet dat (name it agen) and start new. Agen it get sync, then Private key in and it show agen balance. I send agen it to this other address. wallet then zero balance, this ok, and show transfer status ?. Agen wait long time, restart wallet two times. Some times it sync. But coins did not go to other address where I send these.
Agen wallet dat rename and start new. Import priv, agen it show balance ok. This time wallet stau sync and I send coins and this time it success.

What are these sync drop outs with wrong block numbers from some node?

If this can not solve it destroy this coin. What there so difficult to keep nodes in sync so that there is not agen and agen this wrong fork on the air. Who is running this wrong fork and why?

Wallet sync issue is NOT solved.

Still frequently it get some wrong block count from somewhere.
Wallet tell  somettimes out of sync and is waiting some "futuere" blocks. But current block is same what is block Explorer.

It have happend so many times that this is perhaaps some kind of attack...  please shoot down these assholes or we can wait infinite to get example cryptsy back.

We do not need more and more C class exchanges but we need these some  A  class exchanges work. Two good is better than handfull bullshit.  They can not open depsit wallets agen if wallet is every night out of sync.

Just now, here qt-wallet have zero active connections. This happend several times per day. Sometimes it run several hours until it tell out oof sync and waiting some future block number. (example now it waits 361802 what is totally wrong)