I'd like to find out what is the oldest known Ricardian contract [1,2] on the BTC or BCH blockchain.
Since I can't seem to be able to easily determine this myself (scant examples in literature & old contracts could be encrypted so that only the people involved know), I'm launching a competition with a reward for 2.1 million satoshi (in BCH) for the person who provides verifiable evidence of the oldest recorded contract by Friday next week.
Terms of this reward competition:
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at least the contract hash, alternatively the full contract, has to be on the BTC or BCH blockchain
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if only a hash is stored, then a humanly readable form verifiably corresponding to the hash needs to be presented somewhere (e.g. as a file download from a safe source such as a Github repository, gist or some other site)
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only contracts older than 2019-01-01 00:00 UTC (timestamp of block in which it or its hash was stored) and involving at least two parties
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contracts with me (@btcfork) do not qualify ;-p
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entrants need to provide all the information needed to verify that the contract was stored as claimed
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bounty winner will be determined from entries submitted before Fri 7 June, 2019 00:00 UTC
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submissions here or in the Twitter thread [3] or Memo thread [4]
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winner must publish a BCH address to receive the reward, or receive it via the tippr bot in this thread
Happy hunting!
[1] http://iang.org/papers/ricardian_contract.html
[2] http://iang.org/papers/intersection_ricardian_smart.html
[3] https://twitter.com/btcfork/status/1134195777910255620
[4] https://memo.cash/post/94482ac11419bbfd0cd6d2f4ab19dea196130b081dacb85d0e1517dd49f106f3
[link] [comments]
source https://www.reddit.com/r/btc/comments/buy3jb/21e5_satoshi_bch_reward_find_oldest_ricardian/
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