header.tex

\documentclass[10pt]{article}
\usepackage[a5paper,twoside,margin=3cm]{geometry}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[english]{babel}
\usepackage{graphicx}
\usepackage[hidelinks]{hyperref}
\usepackage{svg}
\usepackage{fancyhdr}

  \fancyhf{}
  \renewcommand{\headrulewidth}{0pt}
  \fancyfoot[OR]{\thepage}
  \fancyfoot[EL]{\thepage}
  \pagestyle{fancy}
  \fancypagestyle{plain}{
    \fancyhf{}
    \renewcommand{\headrulewidth}{0pt}
    \fancyhf[lef,rof]{\thepage}
  }

\sloppy

\hyphenchar\font=\string"7F

\hyphenation{non-ex-haus-tive}
\hyphenation{Ephe-mery}
\hyphenation{block-chain}
\hyphenation{long-standing}
\hyphenation{browser-embedded}
\hyphenation{high-contention}
\hyphenation{ano-ny-mity}
\hyphenation{Ver-kle}
\hyphenation{Eth-ereum}
\hyphenation{Roll-up}
\hyphenation{cryp-to}

\DeclareUnicodeCharacter{1F54A}{{}}
\DeclareUnicodeCharacter{FE0F}{{}}