supertestnet/bitcoin-lottery-contract: A bitcoin lottery script with no escrowgithub.com/supertestnet/bitcoin-lottery-contract
2155 sats \ 2 comments \ @k00b 28 Sep 2022 bitcoin
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189 sats \ 1 reply \ @KenyaCoin 29 Sep 2022
Hey, they've created a "Bitcoin susu"!
A "susu", or an informal financial scheme categorized as a "rotating savings and credit association" (ROSCA). Local implementations will go by different names, depending on the language and region where the associations operate. In general, think of a "Merry-go-round" (which is the name used in some places).
The basic principle is that each member of the group makes a standard contribution to a common fund once per some time period. Then each period the total contributions are disbursed to a single member of the group. The recipient changes each period in a rotating fashion such that all the members of the group are eventually recipients. Participants of a susu do not make a profit, but receive their contributions as a lump sum and is a forms of savings clubs.
Susu (informal loan club) https://en.wikipedia.org/wiki/Susu_(informal_loan_club)
The risk of this arrangement is that members who are early in the payout rotation have an incentive to drop out of the chama after they have been paid. The participants at the end of the rotation have the highest risk of receiving reduced or no payment after paying faithfully themselves.
Chama (investment) - Merry Go Round (ROSCA) https://en.wikipedia.org/wiki/Chama_(investment)#Merry_Go_Round_(ROSCA)
The susu is kind of like a way of purchasing on lay-away:
How To Buy A Goat When You're Really Poor? Join A 'Merry-Go-Round' https://www.npr.org/sections/goatsandsoda/2017/08/19/542436391/how-to-buy-a-goat-when-you-re-ultra-poor-join-a-merry-go-round
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0 sats \ 0 replies \ @KenyaCoin 29 Sep 2022
Here's a Tweet in a Twitter thread describing another instance of a merry-go-round:
They make contributions on Thursday, 100 into a pot. This group is a merry go round group of about 6 - 10 people. Their regular contribution goes into a pot that is aggregated weekly and one lucky member gets to walk away with the pot every week./20
https://twitter.com/pesa_africa/status/1031598250967662593 [Nitter]
Each member has a go until everyone has their turn at the pot of funds, hence the aptly named merry go round.
1000 is handed every week to one person /21
https://twitter.com/pesa_africa/status/1031598551883763713 [Nitter]
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