# Contracts **URL:** https://forums.counterparty.io/c/economy/contracts/12.md [Latest](https://forums.counterparty.io/latest.md) · [Categories](https://forums.counterparty.io/categories.md) --- ## [About the Contracts category](https://forums.counterparty.io/t/about-the-betting-and-broadcasts-category/21)
**Author:** [@system](https://forums.counterparty.io/u/system)\ **Replies:** 0\ **Last updated:** [February 6, 2015, 6:01pm UTC](https://forums.counterparty.io/t/about-the-betting-and-broadcasts-category/21 "2015-02-06T18:01:25Z")
--- ## [Blockhash for Randomness vs Block Withholding Attack](https://forums.counterparty.io/t/blockhash-for-randomness-vs-block-withholding-attack/2814)
**Author:** [@JPJA](https://forums.counterparty.io/u/JPJA)\ **Replies:** 5\ **Last updated:** [May 26, 2017, 7:47am UTC](https://forums.counterparty.io/t/blockhash-for-randomness-vs-block-withholding-attack/2814 "2017-05-26T07:47:33Z")
The Block Withholding Attack should NOT be a concern. Here's why. The Attack A miner who finds a valid block can choose not to broadcast it. Say Alice is a miner and the block she just generated settles a dice roll. … --- ## [Closing Bet Feed During Event - Problem](https://forums.counterparty.io/t/closing-bet-feed-during-event-problem/2785)
**Author:** [@JPJA](https://forums.counterparty.io/u/JPJA)\ **Replies:** 0\ **Last updated:** [March 28, 2017, 5:21am UTC](https://forums.counterparty.io/t/closing-bet-feed-during-event-problem/2785 "2017-03-28T05:21:52Z")
Say there's a game Man Utd - Liverpool this Saturday, starting at 4pm. Counterparty is an excellent platform for betting on this game PRIOR to the game. However, DURING the game CP won't be practical. It's too slow. L… --- ## [How to publish smart contract on counterparty testnet](https://forums.counterparty.io/t/how-to-publish-smart-contract-on-counterparty-testnet/2220)
**Author:** [@Satyam](https://forums.counterparty.io/u/Satyam)\ **Replies:** 2\ **Last updated:** [August 4, 2016, 10:04am UTC](https://forums.counterparty.io/t/how-to-publish-smart-contract-on-counterparty-testnet/2220 "2016-08-04T10:04:47Z")
Hello Users , pls any one guide me how to publish the smart contract on counterparty testnet Thanks --- ## [What happened to betting?](https://forums.counterparty.io/t/what-happened-to-betting/1496)
**Author:** [@JPJA](https://forums.counterparty.io/u/JPJA)\ **Replies:** 5\ **Last updated:** [February 15, 2016, 7:23pm UTC](https://forums.counterparty.io/t/what-happened-to-betting/1496 "2016-02-15T19:23:57Z")
The former platforms BetXCP and XBet.io were both good starting points for next-generation betting. For those unfamiliar with betting on CP, the advantages are quite revolutionary: 1) since it's Bitcoin based, transparen… --- ## [Tradeable Sunday Night Football Tokens!](https://forums.counterparty.io/t/tradeable-sunday-night-football-tokens/1526)
**Author:** [@CryptoBets](https://forums.counterparty.io/u/CryptoBets)\ **Replies:** 16\ **Last updated:** [October 25, 2015, 4:52pm UTC](https://forums.counterparty.io/t/tradeable-sunday-night-football-tokens/1526 "2015-10-25T16:52:52Z")
CryptoBets is happy to announce the release of live tradeable Sunday Night Football tokens! The system is pretty simple: Tokens are made available for the most popular football wagers on the premier game of every week… --- ## [Smart Contracts Live](https://forums.counterparty.io/t/smart-contracts-live/1520)
**Author:** [@CryptoBets](https://forums.counterparty.io/u/CryptoBets)\ **Replies:** 3\ **Last updated:** [October 24, 2015, 3:50pm UTC](https://forums.counterparty.io/t/smart-contracts-live/1520 "2015-10-24T15:50:10Z")
Are we able to create Etherium Script smart contracts on Counterparty yet? I see a lot of questions on this topic, but nothing concrete. --- ## [Financial Derivatives](https://forums.counterparty.io/t/financial-derivatives/1499)
**Author:** [@Claudia](https://forums.counterparty.io/u/Claudia)\ **Replies:** 1\ **Last updated:** [September 10, 2015, 11:27am UTC](https://forums.counterparty.io/t/financial-derivatives/1499 "2015-09-10T11:27:33Z")
I study finance. I wonder, can derivatives be issued with Counterparty? What are the benefits compared with traditional financial products? \[tiger\] --- ## [How To Issue A Bond On CounterParty?](https://forums.counterparty.io/t/how-to-issue-a-bond-on-counterparty/1413)
**Author:** [@Sage](https://forums.counterparty.io/u/Sage)\ **Replies:** 1\ **Last updated:** [August 13, 2015, 6:13pm UTC](https://forums.counterparty.io/t/how-to-issue-a-bond-on-counterparty/1413 "2015-08-13T18:13:01Z")
I'm looking for a step by step premier, that takes me from newbie to bond issuance. Anything like that available? --- ## [Counterparty assets and smart contracts on Ethereum](https://forums.counterparty.io/t/counterparty-assets-and-smart-contracts-on-ethereum/1281)
**Author:** [@takaos](https://forums.counterparty.io/u/takaos)\ **Replies:** 2\ **Last updated:** [June 24, 2015, 12:43pm UTC](https://forums.counterparty.io/t/counterparty-assets-and-smart-contracts-on-ethereum/1281 "2015-06-24T12:43:58Z")
Are counterparty assets are manipulated by smart contracts on Ethereum ? I would like to start making app on couterparty and after Ethereum released would like to treat from Ethereum. Is it possible to do that ? --- ## [Smart Contracts Explained](https://forums.counterparty.io/t/smart-contracts-explained/1238)
**Author:** [@JPJA](https://forums.counterparty.io/u/JPJA)\ **Replies:** 1\ **Last updated:** [June 21, 2015, 6:05am UTC](https://forums.counterparty.io/t/smart-contracts-explained/1238 "2015-06-21T06:05:52Z")
Ethereum Frontier Guide, see pdf p.90 onward http://ethereum.gitbooks.io/frontier-guide/ --- ## [Publishing a Betting Feed](https://forums.counterparty.io/t/publishing-a-betting-feed/1046)
**Author:** [@ivana](https://forums.counterparty.io/u/ivana)\ **Replies:** 4\ **Last updated:** [May 3, 2015, 7:58am UTC](https://forums.counterparty.io/t/publishing-a-betting-feed/1046 "2015-05-03T07:58:27Z")
Below is an example feed format which must be a JSON file. When publishing a broadcast you have to add the URL that points to this JSON file. Also, all files/images URLs have to exist. { "version": "1.0", "addr… --- ## [What smart contracts already exist?](https://forums.counterparty.io/t/what-smart-contracts-already-exist/1082)
**Author:** [@okay](https://forums.counterparty.io/u/okay)\ **Replies:** 0\ **Last updated:** [April 23, 2015, 1:04pm UTC](https://forums.counterparty.io/t/what-smart-contracts-already-exist/1082 "2015-04-23T13:04:46Z")
Is anyone keeping track of all the scripts for the smart contracts VM out there? I only know the ones from the ethereum repo. Thanks --- ## [Decentralized Trustless Sentinels](https://forums.counterparty.io/t/decentralized-trustless-sentinels/300)
**Author:** [@Equality\_7\_2521](https://forums.counterparty.io/u/Equality_7_2521)\ **Replies:** 20\ **Last updated:** [November 24, 2014, 3:28am UTC](https://forums.counterparty.io/t/decentralized-trustless-sentinels/300 "2014-11-24T03:28:12Z")
The Counterparty Protocol's Broadcast Message Type itself can support many practical applications, some of which are listed below. \[list\] Warrant Canary - https://en.wikipedia.org/wiki/Warrant\_canary Dead Man's Swit… --- ## [Broadcast and Betting with Counterwallet](https://forums.counterparty.io/t/broadcast-and-betting-with-counterwallet/428)
**Author:** [@JPJA](https://forums.counterparty.io/u/JPJA)\ **Replies:** 1\ **Last updated:** [November 19, 2014, 10:07am UTC](https://forums.counterparty.io/t/broadcast-and-betting-with-counterwallet/428 "2014-11-19T10:07:23Z")
I made a broadcast from 1LnyAUzoFQJu625Kc6WKJdiYXc58fgPEtW. Timestamp: 2014-09-09 05:31:30 (the time of issuing the broadcast) Text: "Last digit blockhash 319812, 1=odd, 2=even" Value: -1 After I waited several blocks f… --- ## [Logspotting: Betting on Bitcoin difficulty level](https://forums.counterparty.io/t/logspotting-betting-on-bitcoin-difficulty-level/541)
**Author:** [@something](https://forums.counterparty.io/u/something)\ **Replies:** 1\ **Last updated:** [November 6, 2014, 11:14am UTC](https://forums.counterparty.io/t/logspotting-betting-on-bitcoin-difficulty-level/541 "2014-11-06T11:14:09Z")
Spotted in counterpartyd.log: Block: 328609 (1.30s) Expired order: 7aa75b3dbc4d08a4aeb1f36bd2ad19f7c2ec55a69726104708948d7c9ac73fa1 Expired order: 080bd832afcd523ced7817b07debcea40bda0485893aaa05c04d53682fa1dbb2 Expired… --- ## [Basics: How to make broadcasts and bets](https://forums.counterparty.io/t/basics-how-to-make-broadcasts-and-bets/34)
**Author:** [@cityglut](https://forums.counterparty.io/u/cityglut)\ **Replies:** 3\ **Last updated:** [November 3, 2014, 5:11pm UTC](https://forums.counterparty.io/t/basics-how-to-make-broadcasts-and-bets/34 "2014-11-03T17:11:43Z")
What is a broadcast? How do I make one? A broadcast is textual or numerical data which is in turn used as the subject of bets. A series of broadcasts is called a 'feed'. Someone who publishes a feed is called a 'feed-op… --- ## [Dorian Prentice Satoshi Nakomoto == Satoshi Nakamoto](https://forums.counterparty.io/t/dorian-prentice-satoshi-nakomoto-satoshi-nakamoto/163)
**Author:** [@system](https://forums.counterparty.io/u/system)\ **Replies:** 3\ **Last updated:** [October 29, 2014, 12:01pm UTC](https://forums.counterparty.io/t/dorian-prentice-satoshi-nakomoto-satoshi-nakamoto/163 "2014-10-29T12:01:59Z")
Is Dorian Prentice Satoshi Nakamoto, featured in Newsweek article The Face Behind Bitcoin THE Satoshi Nakamoto, creator of Bitcoin? How to create the bet that Dorian admits to being Satoshi by May 2014? --- ## [Proof of Existence with Broadcast](https://forums.counterparty.io/t/proof-of-existence-with-broadcast/451)
**Author:** [@JPJA](https://forums.counterparty.io/u/JPJA)\ **Replies:** 12\ **Last updated:** [October 23, 2014, 6:47pm UTC](https://forums.counterparty.io/t/proof-of-existence-with-broadcast/451 "2014-10-23T18:47:38Z")
Proof-of-existence on the blockchain is an excellent way of proving that a file existed on a specific time. Read about it here http://www.proofofexistence.com/about You can use their service or you can upload the hash … --- ## [Decentralized Baduk/Go Betting](https://forums.counterparty.io/t/decentralized-baduk-go-betting/400)
**Author:** [@deliciousowl](https://forums.counterparty.io/u/deliciousowl)\ **Replies:** 9\ **Last updated:** [September 1, 2014, 9:47pm UTC](https://forums.counterparty.io/t/decentralized-baduk-go-betting/400 "2014-09-01T21:47:03Z")
Does anyone else think there might be an audience for decentralized baduk/go betting on tournaments and pro matches? --- ## [Bets](https://forums.counterparty.io/t/bets/307)
**Author:** [@knircky](https://forums.counterparty.io/u/knircky)\ **Replies:** 15\ **Last updated:** [August 25, 2014, 8:25am UTC](https://forums.counterparty.io/t/bets/307 "2014-08-25T08:25:02Z")
Hi Guys, betting could be a killer app for counterparty. I saw bets today in the wallet i hope that means we can make bets soon. Question? Where can i find feeds that i can bet on? \[font=Verdana\] I looked up an a… --- ## [Made a reddit. Maybe upvote and comment?](https://forums.counterparty.io/t/made-a-reddit-maybe-upvote-and-comment/325)
**Author:** [@knircky](https://forums.counterparty.io/u/knircky)\ **Replies:** 3\ **Last updated:** [June 11, 2014, 1:53am UTC](https://forums.counterparty.io/t/made-a-reddit-maybe-upvote-and-comment/325 "2014-06-11T01:53:13Z")
http://www.reddit.com/r/soccer/comments/27t5n7/peer\_to\_peer\_worldcup\_betting\_is\_here\_wow/ --- ## [Multiple broadcasts from the same address & broadcast "addressing"](https://forums.counterparty.io/t/multiple-broadcasts-from-the-same-address-amp-broadcast-quot-addressing-quot/301)
**Author:** [@something](https://forums.counterparty.io/u/something)\ **Replies:** 3\ **Last updated:** [June 2, 2014, 4:17am UTC](https://forums.counterparty.io/t/multiple-broadcasts-from-the-same-address-amp-broadcast-quot-addressing-quot/301 "2014-06-02T04:17:55Z")
I understand a single address can make multiple broadcasts. How does owner of an address that issued multiple broadcasts pick the broadcast he wants to use (decide/close)? --- ## [Trustless feeds](https://forums.counterparty.io/t/trustless-feeds/45)
**Author:** [@Jl777](https://forums.counterparty.io/u/Jl777)\ **Replies:** 7\ **Last updated:** [April 29, 2014, 8:04am UTC](https://forums.counterparty.io/t/trustless-feeds/45 "2014-04-29T08:04:59Z")
\[font=verdana\]I have a question about Broadcast. From reading the spec, it seems like there is a strong element of trust needed for a broadcast feed. Certainly if major bets are being made, any funny business in the feed… --- ## [Could 4chan use Counterparty for Flappy Bird Gambling Ring Escrow?](https://forums.counterparty.io/t/could-4chan-use-counterparty-for-flappy-bird-gambling-ring-escrow/160)
**Author:** [@Zangelbert\_Bingledac](https://forums.counterparty.io/u/Zangelbert_Bingledac)\ **Replies:** 0\ **Last updated:** [March 5, 2014, 8:58am UTC](https://forums.counterparty.io/t/could-4chan-use-counterparty-for-flappy-bird-gambling-ring-escrow/160 "2014-03-05T08:58:23Z")
See http://www.imgism.com/4chan-is-running-a-flappy-bird-gambling-ring/