perpetual assets are illegal in many countries but remain still very unconstructed in this world. Knowledge and wisdom is needed to establish an eternal bank where people could unite and become richer.
One formula used :
FV = P (1 + r)^Y
(p = 1000$, r = 6%, y = 360, FV = $1,288,580,323,179.86)
6% of interest involve alot of risks.