Landmark

What is a cryptocurrency?

A cryptographic protocol to secure transactions and verify the transfer of assets. Bitcoin ($115 B) and Ethereum ($32 B) are examples.



What is a blockchain?

A public ledger that records transactions. To enforce trust, everybody can download and verify the entire chain.



What is Ethereum?

A cryptocurrency that stores on its blockchain both values and can run code.



Code on the blockchain?

Last week somebody lost $150 million over a programming bug. ¯\_(ツ)_/¯

If you can store code, you can store data.




  • It will be permanent.

  • It will be uncensorable.

  • It will be decentralized.

Welcome to
Landmark

Description:

  • Message board on the blockchain
  • Free to post (except for small miner gas fee)
  • Messages last forever and can't be removed
  • Multiple "Landmarks" can be deployed




Specs:

  • Github pages as the front-end
  • Ethereum as the backend
  • Smart-contract code written in Solidity
  • Robots avatars for every address

Canonical chain

0xD38e005a28fae8D8c4238444BC08E7Da83902310





Las Vegas Memorial

0x1B11aC23fbB37B1F943c2b36a566fc77f64BB8a9