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1  Economy / Collectibles / WTB 10 btc cas on: July 24, 2021, 02:53:13 AM
looking for a 10 btc cas coin. slabbed
2  Economy / Collectibles / [Available FS] Blue Crypto Stamp - Interesting 4 digit serial on: August 30, 2019, 05:54:47 PM
Only 46 are known to exist

I don't know what it's worth, so please don't ask how much, I don't know.
I am taking offers to decide to let it go or not.

3  Economy / Collectibles / [Auction - Charity] Casascius 2013 1 btc silver MS69 on: June 05, 2019, 07:02:36 PM

1x Casascius 2013 1 btc silver graded MS69

100% of proceeds (minus the required tx fees to transmit) are getting donated to Binance Charity: (fully transparent)

Shipped within US only.  You'll need to make arrangements with a reshipping service for world-wide shipping, there are plenty available here on this forum to chose from.

Starting bid: 1.11 BTC
Minimum increase: 0.01 BTC
No reserve price.

Auction ends on Tuesday, 11th of June 2019, 21:00 UTC.

Bids in the last 5 minutes extend the auction to a maximum of 5 minutes after the last bid.

Proof of funds or collateral may be asked from new bidders to be eligible to bid on the auction.
I reserve the right to reject bids from or deny sale to any individual for any reason.

Happy bidding!

4  Economy / Collectibles / [Auction] Kialara Hydra #90 on: April 13, 2019, 04:53:57 PM

Kialara Hydra #90

Shipped world-wide, shipping paid by the winner of the auction.

Starting bid: 0.01 BTC
Minimum increase: 0.001 BTC
No reserve price.

Auction ends on Monday 22nd April, 21:00 UTC.

Bids in the last 15 minutes extend the auction to a maximum of 15 minutes after the last bid.

Proof of funds or a collateral may be asked from new bidders to be eligible to bid on the auction. I reserve the right to reject bids from or deny sale to any individual for any reason.

Happy bidding!


5  Economy / Collectibles / [WTS] Kialara on: October 13, 2018, 02:01:33 PM
taking offers only, don't have a price list to quote. PM me

Various Kialaras:

Serials 50 and 125

#263 Original 2014:

6  Economy / Collectibles / moon series on: October 09, 2018, 05:18:24 PM

no longer available
7  Economy / Collectibles / 2017 CryproImperator 1/2 btc, 1/2 oz silver 2017 coin on: March 20, 2017, 01:58:28 AM
Update: all gone. that was fast.
I commisioned the same coin design as the gold version to be done in silver:

21 coins made.  
Serials #14 - #20 are available
price is .708 (includes the half btc funding of the coin). does not include shipping. you can email me a shipping label of your choice if you'd like.
Post the serial number you'd like and I'll respond with payment info.
WATCH OUT FOR SCAMMERS who will try to contact you by making a user id that looks like mine... Be discerning and careful.

anything posted of topic (for the purpose of this thread) will be deleted.

edit: I will post a public signed message for the payment address I tell each buyer, to prevent scammers.  you will need to verify the message on your end...
8  Economy / Collectibles / [WTS] Kialara Silver on: November 01, 2016, 04:11:00 AM
no longer available...
9  Economy / Collectibles / [Unavailable] Kialara Gold - not available anymore on: November 01, 2016, 02:13:00 AM
- no longer available
10  Bitcoin / Hardware / Future mining powered by Tesla? on: May 01, 2015, 07:48:22 PM

When their NV factory comes online and they start producing in volume so that prices come down further, would this be a great way to supplement power needs for mining?
11  Economy / Games and rounds / Win a free Mycelium Entropy USB paper wallet generator! on: March 16, 2015, 06:33:31 PM
per my post here:

You can get a free Entropy USB paper wallet generating device.  Feel free to participate.

This is a self-moderated thread.  Off-topic posts will be removed with no reasons provided.
12  Economy / Service Discussion / MegaBigPower Opens Buyback for Unprofitable Bitcoin Miners on: March 04, 2015, 11:07:23 PM

I haven't tried their service yet so I don't know what they are offering for SP and Bitmain hardware... but this may be better than selling on amazon or ebay
13  Economy / Scam Accusations / timk225 - This user intends to steal and scam on: January 31, 2015, 05:43:24 PM
Please see this:

timk225 openly states his intent to steal and scam wallet files.

Please add appropriate feedback.

Link to user's trust profile:;u=139733
14  Other / Off-topic / 100 MW station on: October 15, 2014, 04:55:47 PM
This is huge:

edit: oops, meant to post one level up in hardware... contacted mod to move.
15  Bitcoin / Group buys / [CLOSED] Prisma 1.4Th/s group buy @ 1.42 btc with coupon on: September 24, 2014, 07:04:13 PM
I do not PM payment requests with an address different from below in red.
Group is open.  Please get your payments in ASAP.  Orders are going out to ASICMiner daily.

Price is 1.47 btc per Prisma.  Shipping is in the order of payment received, per blockchain.

If you bought a tube through one of my prior groups, you can take .05 off (coupon) your total price is then 1.42 btc

payment address: 17dpHMYUvkgetWBnEyNL9iZu4nvjgN9kHr

approximately what the Prisma should look like:

per friedcat's post here:
ASICMiner Prisma is based on a proprietary X48 design for BE200. It greatly reduces power
consumption of the device per GH/s compared to the X24 design.

It takes the same cooling structure and similar form factor as the ASICMiner Tube, while being even more efficient and compact. Also, we added cgminer support on Raspberry PI.

Hashrate: 350-370GH/s per hashing unit in normal mode, 1400-1480GH/s per full device.

Power consumption: ~0.67 W/G board-wise. On-wall power consumption relies on PSU
efficiency. (typically 1050-1100 W per full device, 0.75-0.78 W/G)

Size: 35cmx12cmx12cm per full device.

Weight: 7.5kg per full device.

Powering: One 6pin PCI-E plugs per hashing unit.

The hashing units are driven by ethernet controllers. It can also be driven by cgminer on Raspberry PI.
Each ethernet controller or Raspberry PI can run up to 32 units.

Round 1 Sales

Shipping date: 8th October, 2014 to 27th October, 2014
You will send me your labels (your choice of carrier) and sign the tracking number with a sending address from your transaction (prevents fraud and protects the buyer).Shipping from zip 60181.  Create a self-addressed label: From and To fields contain your address.
No international orders.  This is a domestic group buy.

You will need to email me a label to  When you email the label, please sign the tracking numbers and include signature of the signed message. example:

Connectivity:  a USB interface is included with each Prisma, you will need to connect it to any host running cgminer.  No BE ethernet controller is included.  If you already have a BE controller, you can certainly attach your prisma to it by daisy chaining it.  But it's probably better to use the included USB interface and run it through cgminer.
16  Economy / Scam Accusations / another impostor pretending to be me. pls leave negative ASAP on: August 26, 2014, 08:49:03 PM
another impostor:;u=370082

please leave negative trust.
17  Economy / Scam Accusations / impostor on: August 21, 2014, 05:31:15 PM
I believe is a scam setup when an impostor of mine graciously offered his "escrow" services:;u=368715

please oblige me and add negative trust to:;u=368715
18  Economy / Scam Accusations / sebdude420 stole equipment on: August 16, 2014, 02:12:28 PM
A few issues with him.

1. Has stolen rockminer/bitmain equipment.  Owes for this hardware still.
2. At the same time, got arrested on interesting charges:
Last Name: HONARCHIAN       First Name: SEBUH
3. Has a rap sheet already before these two issues.
19  Economy / Scam Accusations / Scammer trying to impersonate me on: August 15, 2014, 07:55:12 PM
This scammer:;u=366381

Trying to impersonate me by PMing people pretending to be me.

Please shutdown this account and folks in the chain of default trust, please add a few scammer tags to increase the current -6 trust on this scammer's profile
20  Other / Meta / Bitcointalk Banners (<-- Subject of a SCAM email) on: August 13, 2014, 09:54:04 PM
received this:

-----------------following email-----------------
From: Bitcoin Talk <>
Date: August 13, 2014 at 4:28:20 PM CDT
To: undisclosed-recipients:;
Subject: Bitcointalk Banners

Hello, we are opening two slots 728x90 for advertising in

Totally 2 banners in rotation and both of them are placed

Banner size - 728x90, displayed in all forum pages.

Price per one slot is 0.7 BTC per month. 2 slots together will cost 1.2 BTC

If you want 2 banners, they can be different style, but must have same link.

Best Regards

To the best of my knowledge theymos sells ads on the forum via auction...

This email was sent to an email addy I registered for a business in a directory for accepting bitcoins.  So scammers are harvesting info via "bitcoin accepted here" business directories and are attempting to scam.
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