# Gavin Andresen
# 2011-02-19 20:12:37
# https://bitcointalk.org/index.php?topic=3462.msg51525#msg51525

@s{quotedtext}
@s{quotedtext}
 @p{brk}
1 petabyte is 10^{15} bytes. @p{par}

There are 2^{160} possible BTC addresses, each of which is 160 bits == 20 bytes long. @p{par}

So to store all of them you need 2^{160}x20 bytes, which is 29,230,032,746,618,058,364,073,696,654,325,660 petabytes. @p{par}