Sorry guys, there was a transaction broadcast error like here (https://steemit.com/steemit/@bix/how-i-posted-the-same-post-3-times-in-a-row-transaction-broadcast-error-typeerror-network-request-failed) and accidentally I posted the same thing many times.
Please check the original post at https://steemit.com/steemfest/@gari/you-came-to-steemfest-allnightcrash-offers-you-a-free-budapest-pub-crawl