Is cryptocurrency dead or not?

Since yesterday, the cryptocurrency market
has begun to rise sharply.
Bitcoin, which was 700,000 yen
has risen to 850,000 yen
Ripple, which was 50 yen,
has recovered to nearly 70 yen.
At this timing, taxes on profits
have settled, and
there are talks that Islam
has approved Bitcoin trading,
but the decisive information
is not clear.
However, with regard to cryptocurrencies
since the late 2017 spike
,they have fallen sharply
and cryptocurrencies are said to be a “bubble burst”
and “the end of the world” by some.
But many who make such statements
are probably only looking at price movements.
This time, cryptocurrency
is not a useless asset (End of the world) reason
we have summarized below↓↓
http://bitcoin-newstart.com/bitcoin-end0412
Also, for storing Ripple on Ledger Nano S,
there were questions,
so we summarized them in an article↓
http://bitcoin-newstart.com/ledger-nanos