@achow101 noted we don't reject them therefore they must be silently accepted. This is not part of the specs, we should remove them. Also cc @sipa.

I can take care of this.
{
        Set(pbegin, pend);
    }
    
    explicit CPubKey(Span<const uint8_t> _vch)
    {
        Set(_vch.begin(), _vch.end());
    }
    
    unsigned int size() const { return GetLen(vch[0]); }
    const unsigned char* data() const { return vch; }
    const unsigned char* begin() const { return vch; }
    const unsigned char* end() const { return vch + size(); }
    const unsigned char& operator[](unsigned int pos) const { return vch[pos]; }
    
    friend bool operator==(const CPubKey& a, const CPubKey& b)
    {
        return a.vch[0] == b.vch[0] &&
               memcmp(a.vch, b.vch, a.size()) == 0;
    }
    friend bool operator!=(const CPubKey& a, const CPubKey& b)
    {
        return !(a == b);
    }
    friend bool operator<(const CPubKey& a, const CPubKey& b)
    {
        return a.vch[0] < b.vch[0] ||
               (a.vch[0] == b.vch[0] && memcmp(a.vch, b.vch, a.size()) < 0);
    }
    friend bool operator>(const CPubKey& a, const CPubKey& b)