bitcoin has worked perfectly fine for over 8 years
it has processes 233,647,631 transactions [1]
it is now processing ~300,000 transactions per day [2]
about 200-600 million dollar is being transfered using bitcoin on daily basis [3]
there has been a spam attack on the network for some time. some people say it has been a couple of years. but it is still functioning as it should.
bitcoin has never failed, the blockchain has always been working, nodes are up and running and spread across the globe, no exchange has ever suspended bitcoin wallet to investigate!


ethereum got some attention for a couple of months this is the result:
average transaction fees surpasses $1 in 2 months [4]
blockchain is congested and caused ethereum and all the others relying on it to fail. all exchanges have already disabled all these wallets.


[1] https://blockchain.info/charts/n-transactions-total?timespan=all
[2] https://blockchain.info/charts/n-transactions
[3] https://blockchain.info/charts/estimated-transaction-volume-usd
[4] https://bitinfocharts.com/comparison/ethereum-transactionfees.html