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Blockchain City with Futarchy, Merkel Tree and so on

P.S.: Just found an interesting thought about possible use of blockchain in a global sense. All the text is quoted from here.

How profitable can this be

The value of land in a dense city like Paris can be $10k per square meter in an apartment building.
Undeveloped land can cost <$500 per hectare, or $0.05 per square meter of land.
If a 10 story building is put on top, and the building is a part of a big city, that $0.05 of land becomes worth $100 000. Even in a highly regulated market where buildings are more expensive than they need to be, it only costs around $25 000 to build the building. So the land itself is $75 000 per square meter. A 1.5 million % increase in the value of the land.

What are we doing

What makes a city valuable is that lots of people are invested at the same time. If we can coordinate many people's investments and decisions, then we can convert cheap land into a valuable city and everyone involved will be richer.
We can use a blockchain to record the ownership of land in the city before we have decided where to put the city.
We can use the futarchy to make any decisions that need to be made, like where to put the city.
We can use dominant assurance contracts to pay for big public goods, like a highway to the new city, and power cables, internet fiber, water, etc.

Legal and Tax advantages

When Amazon was looking for a city to establish it's headquarters, cities would compete for Amazon by giving special privileges. They offered tax and legal advantages.
Many countries would be very interested in having a new large city established on their undeveloped land. Countries would compete with each other to offer the best legal and tax advantages to convince us to put the city in their land.
This is a strategy already in practice by Mennonites for example. When they established their new cities, they make an agreement with the local government so that they could do schooling for their children differently. Mennonite communities are great for the economy, they create many job opportunities, so countries compete by offering this legal advantage.
Potentially we could make the city a free trade zone, and give automatic national residency to everyone who owns above some minimum amount of square meters in the city.

Database for storing land ownership

The current Merkel trie database is a tree where each node points to up to 16 other nodes. We want there to be a maximum depth for the Merkel trie, and we don't want to have to re-balance the trie.
tx types: divide a square, combine a square, and spend a square.
one transaction type that divides a square into 16 smaller squares, in a 4x4 grid. Then any of the 16 squares can be transferred individually. It costs a fee to divide into 16 because it is using up more space.
If one person buys up all 16 squares, they can make a different kind of tx to combine them into 1 bigger square, and they receive some sort of compensation for recovering space in the blockchain.
Each square records: who owns it.

Options for Land Distribution

  1. we could reward city blocks one a time in an outward infinite spiral from the middle. as rewards for proof of work.
  2. it could start out 100% owned by someone or some group of people. In this case, it would probably be merge-mined with Amoveo.
  3. some combination of the previous two.

Open questions

Should we release blocks of the city as the reward for finding new POW blocks? A block reward block would be great.
Instead of "real estate", what is this called? "fake estate"? "digital estate"?
submitted by uknowmn to BlockchainStartups [link] [comments]

Blockchain City with Futarchy, Merkel Tree and so on

P.S.: Just found an interesting thought about the possible use of blockchain in a global sense. All the text is quoted from here.

How profitable can this be

The value of land in a dense city like Paris can be $10k per square meter in an apartment building.
Undeveloped land can cost <$500 per hectare, or $0.05 per square meter of land.
If a 10 story building is put on top, and the building is a part of a big city, that $0.05 of land becomes worth $100 000. Even in a highly regulated market where buildings are more expensive than they need to be, it only costs around $25 000 to build the building. So the land itself is $75 000 per square meter. A 1.5 million % increase in the value of the land.

What are we doing

What makes a city valuable is that lots of people are invested at the same time. If we can coordinate many people's investments and decisions, then we can convert cheap land into a valuable city and everyone involved will be richer.
We can use a blockchain to record the ownership of land in the city before we have decided where to put the city.
We can use the futarchy to make any decisions that need to be made, like where to put the city.
We can use dominant assurance contracts to pay for big public goods, like a highway to the new city, and power cables, internet fiber, water, etc.

Legal and Tax advantages

When Amazon was looking for a city to establish it's headquarters, cities would compete for Amazon by giving special privileges. They offered tax and legal advantages.
Many countries would be very interested in having a new large city established on their undeveloped land. Countries would compete with each other to offer the best legal and tax advantages to convince us to put the city in their land.
This is a strategy already in practice by Mennonites for example. When they established their new cities, they make an agreement with the local government so that they could do schooling for their children differently. Mennonite communities are great for the economy, they create many job opportunities, so countries compete by offering this legal advantage.
Potentially we could make the city a free trade zone, and give automatic national residency to everyone who owns above some minimum amount of square meters in the city.

Database for storing land ownership

The current Merkel trie database is a tree where each node points to up to 16 other nodes. We want there to be a maximum depth for the Merkel trie, and we don't want to have to re-balance the trie.
tx types: divide a square, combine a square, and spend a square.
one transaction type that divides a square into 16 smaller squares, in a 4x4 grid. Then any of the 16 squares can be transferred individually. It costs a fee to divide into 16 because it is using up more space.
If one person buys up all 16 squares, they can make a different kind of tx to combine them into 1 bigger square, and they receive some sort of compensation for recovering space in the blockchain.
Each square records: who owns it.

Options for Land Distribution

  1. we could reward city blocks one a time in an outward infinite spiral from the middle. as rewards for proof of work.
  2. it could start out 100% owned by someone or some group of people. In this case, it would probably be merge-mined with Amoveo.
  3. some combination of the previous two.

Open questions

Should we release blocks of the city as the reward for finding new POW blocks? A block reward block would be great.
Instead of "real estate", what is this called? "fake estate"? "digital estate"?
submitted by uknowmn to Futarchy [link] [comments]

102 things to do in the Sacramento area, for people who live in the Sacramento area

Last updated 7/22/2015
Please find the 2nd half of the post in the comments below
Obnoxiously long post alert
People are always looking for something to do around here. Maybe you’re a transplant, unaware of what this area has to offer—or maybe you’re a lifelong resident, tired of the same old thing.
Sure, we’ve got Old Sac, Sutter’s Fort, Crocker Art Museum, Kings, etc—but chances are, if you’ve lived here for more than a couple months, you’ve gone to those places already. If you’ve lived here all your life, you’ve probably visited them dozens of times. What now? Can’t get drunk every night.
Well friend, do not despair. There’s actually plenty of things to do in the Sacramento area—things of interest to almost any lifestyle, personality, or way of life. Whether you’re an athlete, geek, eccentric, weirdo, or sexual deviant.
I’ve had a lot of time on my hands recently, so I decided to put together a list of activities for you to try if you are so inclined. Please note that I’ve tried to keep this list as non-generic as possible. Most people are aware of the Music Circus, where to find a movie theatre, or how much fun a XOSO league can be. I’ve also tried to include only activities that take place at least a few months out of the year—no one-off events or festivals here. So here we go. Enjoy and feel free to add suggestions of your own!
  1. Cast you some spells and slang them multi-sided dice at Great Escape Games in Sacramento, A1 Comics in Sacramento and Roseville, Olde World Gaming in Elk Grove, and/or GamersCircle Comics in Folsom.
  2. Catch some indoor waves at Surf Xtreme
  3. Paintball it up at Capital Edge, Surf Xtreme, or Davis Paintball,
  4. Airsoft your ass off at Ukau’s.
  5. Like to Knit? Enjoy a good chat? Join a Knit and Chat at Knitique: a Yarn Boutique in Elk Grove.
  6. Play disc golf at one of several courses in the area.
  7. Can't get enough 2nd Saturday? Try 3rd Saturday in Roseville, 3rd Saturday in Placerville, or 2nd Friday in Davis.
  8. Go Geocaching for one of the thousands of great hides in the area.
  9. Join an intergalactic war for local landmarks and public art in the Google-produced, GPS-Dependent MMORPG, Ingress.
  10. Check out Sacramento's other professional sports teams--The Sacramento Sirens (women's tackle football), Sacramento Gold (men's soccer), California Storm (women's soccer), or Sacramento Surge (men's indoor soccer)
  11. Enjoy the fast-paced, bonecrushing action of roller derby with the Sac City Rollers and Sacred City Derby Girls.
  12. Hunt for ghosts with Elk Grove Paranormal Investigations.
  13. Preserve and explore the area's unique history and heritage by joining or supporting groups such as the Sacramento County Historical Society, Preservation Sacramento, and Sacramento Modern.
  14. Watch people drive really fast at Sacramento Raceway (drags), All American Speedway(short track), and Placerville Speedway (dirt).
  15. Drive your own car really fast at Sacramento Raceway's Wednesday Night Street Legal Drags. You can run your mom's Hyundai, or...
  16. Rent a Ferrari, Lamborghini, Aston Martin, or Bentley from LA Luxury Car Rental. They'll deliver it right to your door.
  17. Purchase the sweetest sweet corn in all the land at the Davis Ranch in Sloughhouse.
  18. When you're done in Sloughhouse, head a little further up the Jackson Highway (just past Rancho Murieta), hang a left on Michigan Bar Road, and cross the bridge (it's safe, trust me!) for one of the most historic, beautiful, and adventurous road trips in the entire area. Make sure you bring a hearty vehicle (not a rented Ferrari) and avoid during winter and spring.
  19. Grind some rails at Sacramento, Elk Grove, Folsom, Rocklin, and Citrus Heights skate parks.
  20. Catch some air at Elk Grove, Oak Creek, and Elkhorn BMX parks.
  21. Make obstacles your bitch with Norcal Parkour.
  22. Become a confident public speaker with the Toastmasters.
  23. Take a short drive to Rancho Seco Lake for picnics, swimming, fishing, and hiking.Watch out for three-headed frogs.
  24. Join a bocce league at the East Portal Bocce Club.
  25. Watch some slobberknockers at live Total Wrestling Federation and Supreme Pro Wrestling events. If you'd rather lay the smack down on some jabroni yourself, both promotions offer training.
  26. Join a fraternal organization like the Elks or Odd Fellows for cheap drinks/meals, camaraderie, and old school cool--all for a good cause.
  27. Explore the amazing Vernal Pools of Mather Field--an endangered habitat.
  28. Buy some tricks, attend magic workshops, and become the next David Blaine at Grand Illusions.
  29. Take in a sultry and sexy burlesque show--there's four local troupes to choose from
  30. Learn about wild edibles in the area with the Sacramento Foragers.
  31. Live your Hunger Games fantasies at the Discovery Park Archery Range and Wilderness Archery in Rocklin.
  32. Football season is here! The Sacramento region boasts some of the best high school programs in the state. Check out top notch teams like Grant, Elk Grove, Folsom, and Del Oro to see potential division 1 and NFL players of the future.
  33. Learn about bizarre and fascinating surgical implements of the past at the Sierra Sacramento Valley Medical History Museum. Entry is free.
  34. Partake in Mike Tyson's favorite hobby with the Fort Sutter Pigeon Racing Club.
  35. If Live-Action Role Play (LARP) floats your boat, Sacramento Valley Amtgard has the battles, weapons workshops, and skills classes you've been looking for.
  36. Become the king of Pho ("Pho King", get it? HAW HAW HAW HAW) or the apple of Daddy Dave Leatherby's eye by conquering some of the eating challenges and contests in the area. Make sure to take your Lipitor.
  37. Take in a play at one of Sacramento's smaller, edgier, more contemporary community theatre companies--like the Big Idea Theatre or Kolt Run Creations.
  38. Take acting classes from acting coach to the Sacramento stars, Ed Claudio.
  39. Write and produce your own play at the Thistle Dew Theatre Playwright Workshop.
  40. Enjoy some dirt cheap entertainment with one man band Winko Ljizz at the Acoustic Sanctuary.
  41. Party down and help kids with the Active 20-30 or Women's 20-30 social clubs.
  42. I don't know any chess puns to make here, but if you're into chess, you should join the Sacramento Chess Club.
  43. Join a pickup basketball game at one of Sactown's best streetball courts.
  44. Enjoy your favorite horror flicks in a whole new way with Amber's Sweets--one of the nation's premier shadow casting troupes.
  45. Take butchering classes at Taylor's Market and become the master of meats.
  46. Learn to prepare fabulous meals at home with cooking classes at Good Eats, Sac Food Coop, or Le Cordon Bleu's Bleu Ribbon KItchen.
  47. See 1500-4000 year old petroglyphs, rock art, and grinding holes at the Maidu Museum and Historic Site in Roseville.
  48. Take the plunge at SkyDance Skydiving in Davis or Parachute Center in Lodi.
  49. If you'd rather fly the plane than jump out of it, take pilot lessons at Sacramento Executive Airport.
  50. Produce and broadcast your own TV and radio programs at Access Sacramento.
  51. Play that weird sport you always watch when nothing else is on during the Winter Olympics with the Wine Country Curling Club at Skate Town in Roseville.
  52. Join a local car or motorcycle club.
  53. Be amazed or creeped out by more than 7 million living and dead insect specimens at the Bohart Museum of Entomology in Davis.
  54. Take your 4x4, dirtbike, or ATV off-road at Prairie City SVRA
  55. If motorcross is your bag, hit the track at Prairie City MX (private track) or Riverfront MX Park in Marysville. Rental bikes and lessons are available at both.
  56. Programmers, coders, entrepreneurs, makers, inventors, and those who aspire to be one of these--find workspace, resources, meet-ups, and classes at the Hacker Lab..
  57. Pub crawls are the past, The Brew Bike is the future.
  58. Get into a duel at Sacramento Sword School, Sacramento Fencing Club, or Hristov-Csikany Fencing.
  59. Exercise your 2nd amendment rights on the ranges at The Gun Room in Elk Grove or The Gun Range. Rent one of their hand cannons or bring your own.
  60. Build superior intelligence--or some sort of contraption to feed your cat for you--with the Sacramento Area Robotics Group.
  61. Play a round of Citizens of Catan and enjoy a tasty brew with the enchanting respectfully_disagre and her Beer and Boardgames group.
  62. Buy some gold pans or a sluice box at Black Sheep Mining and head for the hills--just like the 49ers that first "rushed" to the area. experts say more than 80% of the motherlode is still waiting to be found--and gold prices are still higher than they've been in decades.
  63. Join the cryptocurrency rush with the Sacramento Bitcoin Meetup Group
  64. Borrow a boat and find the secret party island.
continued below...
submitted by BurritoFueled to Sacramento [link] [comments]

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Mining City Bitcoin Mining Facility

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