Blakecoind/BLC bounty thread: https://bitcointalk.org/index.php?topic=314951.new#new

Hello! This is a simple, small bounty thread, certainly subject to change. If you qualify for the bounty, PM me.

If you want to put up your own bounty in this thread, PM me and I'll add it to OP. If I like it, I'll add some BLC to it from me.

300 BLC : Blakecoin Exchange (200 from me, + 100 donated by atavacron)
Additional Requirements for Blakecoin Exchange:
-Must have Blakecoin<->BTC OR Blakecoin<->LTC trading pairs.
-Can either be Blakecoin added to existing exchange or new exchange
-Extra +25 BLC if exchange mentions a few key statistics of Blakecoin (Different algorithm, perhaps current difficulty and block cound)
-

75 BLC: Blakecoin Mining Calculator
Additional Requirements for Mining Blakecoin Calculator:
-Must be accurate
-Accepts input in GH/s OR MH/s
-Gives output in BLC/day
Bonus +25 for each of the following:
-->Graphs (Network Hashrate, Network Difficulty, Value?) (+25 for any graphs, not +75 for three)
-->Increase %/week difficulty option
-->USD/day OR BTC/day output additionally (requires an exchange to exist)

550 BLC: Blakecoin Mining Pool
Additional Requirements for Blakecoin Pool:
-P2Pool, pushpool, stratum, or custom software
-Share-based
-Block count, network hashrate estimate, charts?
-Pool source code opensource for others to use (Important)
-Works with reaper
Bonus +35 BLC for each of the following:
-->Variable worker difficulty
-->More advanced network statistics page
-->Built-in blakecoin mining calculator (If first calculator, see above)

150 BLC: Blakecoin Block Explorer
Additional Requirements for Blakecoin BE:
-Search function for addresses (block search would be nice too)
Bonus: +25 Blakecoin for each of the following:
-->Live-updating feed (like blockchain.info has)

These are subject to change with BLC value and with BLC developments. If you want to contribute to an above bounty, PM me.

To clear up some potential confusion, I didn't write the OpenCL miner, I paid smolen a bit to modify reaper to support blakecoin.

Closed beta (open to anyone who has some hardware not already covered by testers who currently applied) will be going out in a few hours (Let's say, target of 5PM forum time, so about 2.5 hours). After that, sometime Monday (probably monday afternoon for me, might be early Tuesday forum time) I'll gather all the data (best settings for GPUs, GPU speed, temps, etc.), put together an official launch thread. However, since I only funded the project and didn't write the miner myself, I won't be able to provide any new builds based on code changes, etc. unless they are fairly straight-forward. My hope is that the community will pick the software development up.

Here's some current stats:
7950: >2GH/s at a decent overclock
7970: >1.6GH/s at a decent overclock

Also, I'd like to note that, since the blakecoin algorithm (blake[8,10]) is pretty simple, it seems that GPUs spend a bit of time idle between each round, meaning that higher clock rates are stable. For example, my 7950s at 1100MHz are running great. They came stock at 960.

Ahh, appears my napkin math was wrong, never mind

From my observations, it seems that an average high-end processor (i7-3770k, AMD FX-8320, AMD FX-8350) gets around 10MH to 12MH.

To make the math easy, at 10MH, the CPU will get (from test results) somewhere around 0.06 difficulty-one shares per minute, or around one difficulty-one share every 24.6666667 minutes. At a difficulty of 900, you need 900 difficulty-one shares. Therefore, it would take nearly 16 days to get a block at current difficulty with one of those CPUs.


The OpenCL miner is coming soon, I want the launch to go real smooth, so if someone with one or more of the following cards can PM me so we can get performance statistics together and figure out optimal settings, that would be great:
-7990
-78xx
-7770
-6990
-6970
-6950
-68xx
-5970
-5850

Also, I'm gonna try to time the GPU miner release with some pool software from BlueDragon(747), but that is a huge job, so we'll see how timetables work out...

Sent to all above except esurance and Killa, for some reason blakecoin says those are invalid blakecoin addresses. Odd.

Gonna try to release an OpenCL miner in the next 24-48 hours, keep your eyes peeled

Seems network is now syncing correctly, haven't had a fork in a while 8-)

Yeah

Figures people won't buy at > 4BTC/1000BLC, but I wouldn't want to sell under that either... Ah well, market is undeveloped.       

184.171.247.23 <--Shared GBit

Personally I'd price blakecoins a bit higher than OP priced them at, but perhaps I'm just using pipedream math.

I got quite a few blocks in the early days, but since the 12th, haven't seen anything. Only got one block on the 12th.

Ouch Seems like someone has a GPU miner or a ridiculous amount of cloud power.

I wonder how much mtrlt would charge to do a Blakecoin version of reaper....

0.8.6 seems to be working great.

On another note... difficulty above equivalent 120000 for pre-0.8.6 difficulty calculation. :O

Ahh, right, silly me. Can't believe I forgot to look at instructions

Have you seen https://github.com/wfr/clblake/tree/master/src?

Prices here seem slightly low, given difficulty explosion, value will probably go up fairly quickly. At any rate, sgrunger--want to sell me 500 BLC?

Wow, difficulty is approaching 90,000 :O

How hard do you guys think it would be to make reaper do blake? Interestingly enough, the reaper source code has a file for blake-512, but we need 256....

How many blocks are you getting with the new difficulty?

Oh, and to OP: tried on i5-2500k (no OC) and got around 8300-8700 kH/s

Are you renting those, or are they part of some unused infrastructure you have access to?