Common use of Join Protocol Clause in Contracts

Join Protocol. <0,0> New Intermediate Node <1,0> <1,1> New Member <2,0> M1 M2 ▇▇ ▇▇ ▇▇▇▇ ▇▇ ▇▇▇▇ ▇▇ <▇,▇> <1,0> <2,0> <2,1> <1,1> M3 Sponsor M1 M2