Can you solve it?

[Nithinvs]

Sneha challenge no:2

Five pirates have obtained 100 gold coins
and have to divide up the loot. The pirates
are all extremely intelligent, treacherous and
selfish (especially the captain).
The captain always proposes a distribution
of the loot. All pirates vote on the proposal,
and if half the crew or more go "Aye", the
loot is divided as proposed, as no pirate
would be willing to take on the captain
without superior force on their side.
If the captain fails to obtain support of at
least half his crew (which includes himself),
he faces a mutiny, and all pirates will turn
against him and make him walk the plank.
The pirates start over again with the next
senior pirate as captain.
What is the maximum number of coins the
captain can keep without risking his life?

No google please