FastCash4Bitcoins (
https://fastcash4bitcoins.com/ ) has been providing quick and secure bitcoin sales and is rapidly approaching a milestone.
The 100,000th bitcoin purchased.
To say thank you to all the customers who have made this milestone possible we are going to give away a Casascius Silver 10 BTC Round to one lucky customer. An impressive looking coin that combines an ounce of fine silver with offline storage of 10 bitcions. What could be better? One lucky winner will get the choice of either the gold plated or plain silver coin with shipping to an address of their choice at our cost.
฿10 SILVER ROUND: One solid troy ounce of .999 fine silver, combined with ten Bitcoins. Comes in a protective capsule and a hinged presentation box. 39mm diameter. Two versions available: one in plain silver, and one with gold-plated B.
https://www.casascius.com/Official Contest Rules
NO PURCHASE IS NECESSARY TO ENTER OR WIN. VOID WHERE PROHIBITED.1. EligibilityThe FastCash4Bitcoins 100,000th Bitcoin Promotion (the Contest) is open to participants who are at least eighteen (18) years old at the time of entry. Employees of Tangible Cryptography LLC and other companies associated with the promotion of the Contest, and their immediate family members are not eligible. The Contest is subject to local laws and regulations. Participants residing where contests of chance or the Contest Prize are prohibited by law are not eligible.
2. SponsorThe Contest is sponsored by Tangible Cryptography LLC, located at 237 Hanbury Rd E, Suite 17-165, Chesapeake, VA 23322.
3. Agreement to Official RulesParticipation in the Sweepstakes constitutes entrants full and unconditional agreement to and acceptance of these Official Rules and the decisions of the Sponsor, which are final and binding. Winning a prize is contingent upon being compliant with these Official Rules and fulfilling all other requirements set forth herein.
4. Contest PeriodThe Contest begins on 10/17/2012 at 23:59:59 EST and ends once cumulative sales since the site's launch totaling one hundred thousand bitcoins (100,000 BTC) have been properly funded and confirmed on the FastCash4Bitcoin website (
https://fastcash4bitcoins.com ).
5. How to EnterComplete a sale of at least one bitcoin (1.0 BTC) on the FastCash4Bitcoin website during the Contest Period. All valid completed sales will receive one entry into the Contest for each whole bitcoin in the sale, with fractional bitcoins discarded. Canceled or expired sales are ineligible even if later restored by manual verification. The full amount of the sale which results in the cumulative sales total exceeding 100,000 bitcoins is valid for the purposes of this Contest, including the portion exceeding 100,000 bitcoins. Sales occuring outside the Contest Period or not on the FastCash4Bitcoin site will not produce an entry into the Contest.
6. No Sale Entry MethodSend a hand written postcard to Tangible Cryptography LLC 237 Hanbury Rd E, Suite 17-165, Chesapeake, VA 23322. Include on the postcard your name, mailing address, email address, the current date, and the blockhash from the most recent block added to the longest chain of the bitcoin network at the time of mailing. Machine produced entries, and photocopies will not be accepted. No Sale Entries must be received during the Contest Period. Lost, late, unreadable, and entries in violation of Contest rules are void.
7. DrawingAt the termination of the Contest Period all entries from FastCash4Bitcoin sales are arranged in chronological order followed by all "No Sale Entries" arranged in chronological order. The list of entries are sequentially number to produce a unique entry number for each entry. The first bitcoin block ("Lucky Block") that remains in the primary chain who's height is an even multiple of 100 (i.e. 203800) that occurs after the termination of the Contest Period will be used to provide the randomness for the drawing. The last eight (
hexadecimal digits of the blockhash will be converted into a 32bit unsigned integer to produce the number ("Lucky Number") used to determine the Contest winner.
The Winning Entry of the Contest will be determined by the Lucky Number and the following formula:
Winning Entry = Truncate[(Lucky Number) / (4,294,967,295) * (number of valid entries in the Contest)]
The results of the Contest will be official once the Lucky Block has twenty four (24) confirmations. In the event a reorganization of the network the blockhash at the appropriate height in the longest chain when the longest chain is 24 blocks higher will be Winning Block. If there is a fork or split in the network the blockhash the fork containing the Sponsor's node will be official.
8. Ineligible WinnerThe winner will be contacted by email. To receive the Prize the winner must provide a name and mailing address to send the prize. If winner is ineligible due to contest rules or fails to provide required information within 10 days the next entry in sequential order after the Winning Entry will become the new winner subject to eligibility and timely response.
9. PrizeOne Fine Silver Ten Bitcoin Round by Casascius (
https://www.casascius.com/ ) including shipping and handling costs. In the event the prize is unavailable the Sponsor reserves the right to substitute an alternate prize of equal or greater value.
Unofficial example to illustrate the method of picking the winner.
Block 203900 is the first block that is an even multiple of 100 after the termination of the Contest Period.
The Blockhash of block 203900 is 00000000000003d6986fa4cc9a5b03314dda0de5712d2da732bb9c9a
41da8bb6.
There are 18,283 valid entries for the Contest.
Winning Number = "41da8bb6" = 1,104,841,654
Winning Entry = 4703 (1,104,841,654 / 4,294,967,295 * 18,283)