Rchain Rchain有两个关键组件： Rholang Rholang是Rho-calculus的编程语言，rho演算是pi演算的升级版，即反射型pi演算，反射意思是可以显示程序自身状态变化。 Namespace 域名空间，带来好处是：分片（sharding）和状态通道(state channel )

The traditional understanding of a contract is a written or spoken agreement enforceable by law. In most business cases, contracts are documents [1] that identify the contracting parties uniquely, a service